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110 changed files with 4127 additions and 1394 deletions

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@@ -1,5 +0,0 @@
timmypidashev.local {
tls internal
reverse_proxy timmypidashev.dev:4321
}

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@@ -1,5 +0,0 @@
timmypidashev.dev {
tls pidashev.tim@gmail.com
reverse_proxy timmypidashev.dev:3000
}

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@@ -1,27 +0,0 @@
FROM node:22-alpine
ARG CONTAINER_WEB_VERSION
ARG ENVIRONMENT
ARG BUILD_DATE
ARG GIT_COMMIT
RUN set -eux \
& apk add \
--no-cache \
nodejs \
curl
RUN curl -L https://unpkg.com/@pnpm/self-installer | node
WORKDIR /app
COPY . .
RUN echo "PUBLIC_VERSION=${CONTAINER_WEB_VERSION}" > /app/.env && \
echo "PUBLIC_ENVIRONMENT=${ENVIRONMENT}" >> /app/.env && \
echo "PUBLIC_BUILD_DATE=${BUILD_DATE}" >> /app/.env && \
echo "PUBLIC_GIT_COMMIT=${GIT_COMMIT}" >> /app/.env
EXPOSE 3000
CMD ["pnpm", "run", "dev"]

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@@ -1,47 +0,0 @@
# Stage 1: Build and install dependencies
FROM node:22-alpine AS builder
WORKDIR /app
# Install necessary dependencies, including pnpm
RUN set -eux \
&& apk add --no-cache nodejs curl \
&& npm install -g pnpm
# Copy package files first (for better caching)
COPY package.json pnpm-lock.yaml ./
# Install dependencies
RUN pnpm install --frozen-lockfile
# Now copy the rest of your source code
COPY . .
# Set build arguments
ARG CONTAINER_WEB_VERSION
ARG ENVIRONMENT
ARG BUILD_DATE
ARG GIT_COMMIT
# Create .env file with build-time environment variables
RUN echo "PUBLIC_VERSION=${CONTAINER_WEB_VERSION}" > /app/.env && \
echo "PUBLIC_ENVIRONMENT=${ENVIRONMENT}" >> /app/.env && \
echo "PUBLIC_BUILD_DATE=${BUILD_DATE}" >> /app/.env && \
echo "PUBLIC_GIT_COMMIT=${GIT_COMMIT}" >> /app/.env
# Build the project
RUN pnpm run build
# Stage 2: Serve static files
FROM node:22-alpine
WORKDIR /app
# Copy built files
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json
# Expose port 3000
EXPOSE 3000
# Deployment command
CMD ["node", "./dist/server/entry.mjs"]

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@@ -1,83 +0,0 @@
#!/bin/sh
# Set variables
BRANCH_NAME="$1"
COMMIT_HASH="$2"
GHCR_USERNAME="$3"
GHCR_TOKEN="$4"
DEPLOY_TYPE="$5"
REPO_OWNER="$6"
COMPOSE_FILE="$7"
CADDYFILE="$8"
MAKEFILE="$9"
# Echo out variable names and their content on single lines
echo "BRANCH_NAME: $BRANCH_NAME"
echo "COMMIT_HASH: $COMMIT_HASH"
echo "GHCR_USERNAME: $GHCR_USERNAME"
echo "DEPLOY_TYPE: $DEPLOY_TYPE"
echo "REPO_OWNER: $REPO_OWNER"
echo "COMPOSE_FILE: $COMPOSE_FILE"
echo "CADDYFILE: $CADDYFILE"
echo "MAKEFILE: $MAKEFILE"
# Set the staging directory
STAGING_DIR="/root/deployments/.staging-${COMMIT_HASH}"
# Set the tmux session name for release
TMUX_SESSION="deployment-release"
# Function to cleanup existing release deployment
cleanup_release_deployment() {
echo "Cleaning up existing release deployment..."
# Stop and remove all release containers
docker-compose -f "/root/deployments/release/docker-compose.yml" down -v 2>/dev/null
# Remove release images
docker rmi $(docker images "ghcr.io/$REPO_OWNER/*:release" -q) 2>/dev/null
# Kill release tmux session if it exists
tmux kill-session -t "$TMUX_SESSION" 2>/dev/null
# Remove release deployment directory
rm -rf /root/deployments/release
}
# Function to create deployment directory
create_deployment_directory() {
echo "Creating deployment directory..."
mkdir -p /root/deployments/release
}
# Function to pull Docker images
pull_docker_images() {
echo "Pulling Docker images..."
docker pull ghcr.io/$REPO_OWNER/web:release
}
# Function to copy and prepare files
copy_and_prepare_files() {
echo "Copying and preparing files..."
# Copy files preserving names and locations
install -D "$STAGING_DIR/$COMPOSE_FILE" "/root/deployments/release/$COMPOSE_FILE"
install -D "$STAGING_DIR/$CADDYFILE" "/root/deployments/release/$CADDYFILE"
install -D "$STAGING_DIR/$MAKEFILE" "/root/deployments/release/$MAKEFILE"
# Replace {$COMMIT_HASH} with $COMMIT_HASH in $CADDYFILE
sed -i "s/{\$COMMIT_HASH}/$COMMIT_HASH/g" "/root/deployments/release/$CADDYFILE"
# Replace {commit_hash} with $COMMIT_HASH in $COMPOSE_FILE
sed -i "s/{commit_hash}/$COMMIT_HASH/g" "/root/deployments/release/$COMPOSE_FILE"
}
# Function to start the deployment
start_deployment() {
echo "Starting deployment..."
# Create new tmux session with specific name
tmux new-session -d -s "$TMUX_SESSION"
tmux send-keys -t "$TMUX_SESSION" "cd /root/deployments/release && make run release" Enter
}
# Main execution
cleanup_release_deployment
create_deployment_directory
copy_and_prepare_files
cd "/root/deployments/release"
pull_docker_images
start_deployment
echo "Release build $COMMIT_HASH deployed successfully!"

4
.gitmodules vendored
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@@ -1,3 +1,3 @@
[submodule "src/public/scripts"]
path = src/public/scripts
[submodule "public/scripts"]
path = public/scripts
url = https://github.com/timmypidashev/scripts

186
Makefile
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@@ -1,186 +0,0 @@
PROJECT_NAME := "timmypidashev.dev"
PROJECT_AUTHORS := "Timothy Pidashev (timmypidashev) <pidashev.tim@gmail.com>"
PROJECT_VERSION := "v2.1.1"
PROJECT_LICENSE := "MIT"
PROJECT_SOURCES := "https://github.com/timmypidashev/web"
PROJECT_REGISTRY := "ghcr.io/timmypidashev"
PROJECT_ORGANIZATION := "org.opencontainers"
CONTAINER_WEB_NAME := "timmypidashev.dev"
CONTAINER_WEB_VERSION := "v2.1.1"
CONTAINER_WEB_LOCATION := "src/"
CONTAINER_WEB_DESCRIPTION := "My portfolio website!"
.DEFAULT_GOAL := help
.PHONY: watch run build push prune bump exec
.SILENT: watch run build push prune bump exec
help:
@echo "Available targets:"
@echo " run - Runs the docker compose file with the specified environment (local or release)"
@echo " build - Builds the specified docker image with the appropriate environment"
@echo " push - Pushes the built docker image to the registry"
@echo " prune - Removes all built and cached docker images and containers"
@echo " bump - Bumps the project and container versions"
run:
# Arguments:
# [environment]: 'local' or 'release'
#
# Explanation:
# * Runs the docker compose file with the specified environment(compose.local.yml, or compose.release.yml)
# * Passes all generated arguments to the compose file.
# Make sure we have been given proper arguments.
@if [ "$(word 2,$(MAKECMDGOALS))" = "local" ]; then \
echo "Running in local environment"; \
elif [ "$(word 2,$(MAKECMDGOALS))" = "release" ]; then \
echo "Running in release environment"; \
else \
echo "Invalid usage. Please use 'make run local' or 'make run release'"; \
exit 1; \
fi
docker compose -f compose.$(word 2,$(MAKECMDGOALS)).yml up --remove-orphans
build:
# Arguments
# [container]: Build context(which container to build ['all' to build every container defined])
# [environment]: 'local' or 'release'
#
# Explanation:
# * Builds the specified docker image with the appropriate environment.
# * Passes all generated arguments to docker build-kit.
# Extract container and environment inputted.
$(eval INPUT_TARGET := $(word 2,$(MAKECMDGOALS)))
$(eval INPUT_CONTAINER := $(firstword $(subst :, ,$(INPUT_TARGET))))
$(eval INPUT_ENVIRONMENT := $(lastword $(subst :, ,$(INPUT_TARGET))))
# Call function container_build either through a for loop for each container
# if all is called, or singularly to build the container.
$(if $(filter $(strip $(INPUT_CONTAINER)),all), \
$(foreach container,$(containers),$(call container_build,$(container) $(INPUT_ENVIRONMENT))), \
$(call container_build,$(INPUT_CONTAINER) $(INPUT_ENVIRONMENT)))
push:
# Arguments
# [container]: Push context(which container to push to the registry)
# [version]: Container version to push.
#
# Explanation:
# * Pushes the specified container version to the registry defined in the user configuration.
# Extract container and version inputted.
$(eval INPUT_TARGET := $(word 2,$(MAKECMDGOALS)))
$(eval INPUT_CONTAINER := $(firstword $(subst :, ,$(INPUT_TARGET))))
$(eval INPUT_VERSION := $(lastword $(subst :, ,$(INPUT_TARGET))))
# Push the specified container version to the registry.
# NOTE: docker will complain if the container tag is invalid, no need to validate here.
@docker push $(PROJECT_REGISTRY)/$(INPUT_CONTAINER):$(INPUT_VERSION)
prune:
# Removes all built and cached docker images and containers.
bump:
# Arguments
# [container]: Bump context(which container version to bump)
# [semantic_type]: Semantic type context(major, minor, patch)
#
# Explanation:
# * Bumps the specified container version within the makefile config and the container's package.json.
# * Bumps the global project version in the makefile, and creates a new git tag with said version.
# Extract container and semantic_type inputted.
$(eval INPUT_TARGET := $(word 2,$(MAKECMDGOALS)))
$(eval INPUT_CONTAINER := $(firstword $(subst :, ,$(INPUT_TARGET))))
$(eval INPUT_SEMANTIC_TYPE := $(lastword $(subst :, ,$(INPUT_TARGET))))
# Extract old container and project versions.
$(eval OLD_CONTAINER_VERSION := $(subst v,,$(CONTAINER_$(shell echo $(INPUT_CONTAINER) | tr a-z A-Z)_VERSION)))
$(eval OLD_PROJECT_VERSION := $(subst v,,$(PROJECT_VERSION)))
# Pull docker semver becsause the normal command doesn't seem to work; also we don't need to worry about dependencies.
docker pull usvc/semver:latest
# Bump npm package.json file for selected container
cd $(call container_location,$(INPUT_CONTAINER)) && npm version $(shell docker run usvc/semver:latest bump $(INPUT_SEMANTIC_TYPE) $(OLD_CONTAINER_VERSION))
# Bump the git tag to match the new global version
git tag v$(shell docker run usvc/semver:latest bump $(INPUT_SEMANTIC_TYPE) $(OLD_PROJECT_VERSION))
# Bump the container version and global version in the Makefile
perl -pi -e 's/^PROJECT_VERSION\s*:=\s*\K.*/"v$(shell docker run usvc/semver:latest bump $(INPUT_SEMANTIC_TYPE) $(OLD_PROJECT_VERSION))"/ if /^PROJECT_VERSION\s*:=/' Makefile;
perl -pi -e 's/^CONTAINER_$(shell echo $(INPUT_CONTAINER) | tr a-z A-Z)_VERSION\s*:=\s*\K.*/"v$(shell docker run usvc/semver:latest bump $(INPUT_SEMANTIC_TYPE) $(OLD_CONTAINER_VERSION))"/ if /^CONTAINER_$(shell echo $(INPUT_CONTAINER) | tr a-z A-Z)_VERSION\s*:=/' Makefile;
# This function generates Docker build arguments based on variables defined in the Makefile.
# It extracts variable assignments, removes whitespace, and formats them as build arguments.
# Additionally, it appends any custom shell generated arguments defined below.
define args
$(shell \
grep -E '^[[:alnum:]_]+[[:space:]]*[:?]?[[:space:]]*=' $(MAKEFILE_LIST) | \
awk 'BEGIN {FS = ":="} { \
gsub(/^[[:space:]]+|[[:space:]]+$$/, "", $$2); \
gsub(/^/, "\x27", $$2); \
gsub(/$$/, "\x27", $$2); \
gsub(/[[:space:]]+/, "", $$1); \
gsub(":", "", $$1); \
printf "--build-arg %s=%s ", $$1, $$2 \
}') \
--build-arg BUILD_DATE='"$(shell date)"' \
--build-arg GIT_COMMIT='"$(shell git rev-parse HEAD)"'
endef
# This function generates labels based on variables defined in the Makefile.
# It extracts only the selected container variables and is used to echo this information
# to the docker buildx engine in the command line.
define labels
--label $(PROJECT_ORGANIZATION).image.title=$(CONTAINER_$(1)_NAME) \
--label $(PROJECT_ORGANIZATION).image.description=$(CONTAINER_$(1)_DESCRIPTION) \
--label $(PROJECT_ORGANIZATION).image.authors=$(PROJECT_AUTHORS) \
--label $(PROJECT_ORGANIZATION).image.url=$(PROJECT_SOURCES) \
--label $(PROJECT_ORGANIZATION).image.source=$(PROJECT_SOURCES)/$(CONTAINER_$(1)_LOCATION)
endef
# This function returns a list of container names defined in the Makefile.
# In order for this function to return a container, it needs to have this format: CONTAINER_%_NAME!
define containers
$(strip $(filter-out $(_NL),$(foreach var,$(.VARIABLES),$(if $(filter CONTAINER_%_NAME,$(var)),$(strip $($(var)))))))
endef
define container_build
$(eval CONTAINER := $(word 1,$1))
$(eval ENVIRONMENT := $(word 2,$1))
$(eval ARGS := $(shell echo $(args)))
$(eval VERSION := $(strip $(call container_version,$(CONTAINER))))
$(eval TAG := $(PROJECT_NAME):$(ENVIRONMENT))
@echo "Building container: $(CONTAINER)"
@echo "Environment: $(ENVIRONMENT)"
@echo "Version: $(VERSION)"
@if [ "$(strip $(ENVIRONMENT))" != "local" ] && [ "$(strip $(ENVIRONMENT))" != "release" ]; then \
echo "Invalid environment. Please specify 'local' or 'release'"; \
exit 1; \
fi
$(if $(filter $(strip $(ENVIRONMENT)),release), \
$(eval TAG := $(PROJECT_REGISTRY)/$(PROJECT_NAME):$(VERSION)), \
)
docker buildx build --load -t $(TAG) -f .docker/Dockerfile.$(ENVIRONMENT) ./$(strip $(subst $(SPACE),,$(call container_location,$(CONTAINER))))/. $(ARGS) $(call labels,$(shell echo $(CONTAINER_NAME) | tr '[:lower:]' '[:upper:]')) --no-cache
endef
define container_location
$(strip $(eval CONTAINER_NAME := $(shell echo $(1) | tr '[:lower:]' '[:upper:]'))) \
$(CONTAINER_$(CONTAINER_NAME)_LOCATION)
endef
define container_version
$(strip $(eval CONTAINER_NAME := $(shell echo $(1) | tr '[:lower:]' '[:upper:]'))) \
$(if $(CONTAINER_$(CONTAINER_NAME)_VERSION), \
$(shell echo $(strip $(strip $(CONTAINER_$(CONTAINER_NAME)_VERSION))) | tr -d '[:space:]'), \
$(error Version data for container $(1) not found))
endef

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@@ -1,5 +1,5 @@
import { defineConfig } from "astro/config";
import node from "@astrojs/node";
import vercel from "@astrojs/vercel";
import tailwind from "@astrojs/tailwind";
import react from "@astrojs/react";
import mdx from "@astrojs/mdx";
@@ -10,13 +10,7 @@ import sitemap from "@astrojs/sitemap";
// https://astro.build/config
export default defineConfig({
output: "server",
server: {
host: true,
port: 3000,
},
adapter: node({
mode: "standalone",
}),
adapter: vercel(),
site: "https://timmypidashev.dev",
build: {
// Enable build-time optimizations

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@@ -1,32 +0,0 @@
services:
caddy:
container_name: caddy
image: caddy:latest
ports:
- 80:80
- 443:443
volumes:
- ./.caddy/Caddyfile.release:/etc/caddy/Caddyfile:rw
networks:
- proxy_network
depends_on:
- timmypidashev.dev
watchtower:
container_name: updates
image: containrrr/watchtower
volumes:
- /var/run/docker.sock:/var/run/docker.sock
- $HOME/.docker/config.json:/config.json
command: --interval 120 --cleanup --label-enable
timmypidashev.dev:
container_name: timmypidashev.dev
image: ghcr.io/timmypidashev/timmypidashev.dev:latest
networks:
- proxy_network
networks:
proxy_network:
name: proxy_network
external: true

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@@ -1,6 +1,6 @@
{
"name": "src",
"version": "2.1.1",
"name": "timmypidashev-web",
"version": "3.0.0",
"private": true,
"scripts": {
"dev": "astro dev --host",
@@ -18,7 +18,7 @@
},
"dependencies": {
"@astrojs/mdx": "^5.0.3",
"@astrojs/node": "^10.0.4",
"@astrojs/vercel": "^10.0.3",
"@astrojs/rss": "^4.0.18",
"@astrojs/sitemap": "^3.7.2",
"@giscus/react": "^3.1.0",

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1
public/scripts Submodule

Submodule public/scripts added at cf15115731

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@@ -1,11 +0,0 @@
# Astro with Tailwind
```
npm init astro -- --template with-tailwindcss
```
[![Open in StackBlitz](https://developer.stackblitz.com/img/open_in_stackblitz.svg)](https://stackblitz.com/github/withastro/astro/tree/latest/examples/with-tailwindcss)
Astro comes with [Tailwind](https://tailwindcss.com) support out of the box. This example showcases how to style your Astro project with Tailwind.
For complete setup instructions, please see our [Styling Guide](https://docs.astro.build/guides/styling#-tailwind).

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@@ -1,4 +1,4 @@
import React, { useState, useEffect } from "react";
import { useState, useEffect } from "react";
const GlitchText = () => {
const originalText = 'Error 404';

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@@ -1,5 +1,5 @@
import React, { useEffect, useRef, useState } from "react";
import { ChevronDownIcon } from "@/components/icons";
import { useEffect, useRef, useState } from "react";
import { ChevronDown } from "lucide-react";
export default function Intro() {
const [visible, setVisible] = useState(false);
@@ -97,7 +97,7 @@ export default function Intro() {
className="text-foreground/50 hover:text-yellow-bright transition-colors duration-300"
aria-label="Scroll to next section"
>
<ChevronDownIcon size={40} className="animate-bounce" />
<ChevronDown size={40} className="animate-bounce" />
</button>
</div>
</div>

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@@ -1,4 +1,3 @@
import React from "react";
interface ActivityDay {
grand_total: { total_seconds: number };

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@@ -117,7 +117,14 @@ const Stats = () => {
<style jsx>{`
.bg-gradient-text {
background: linear-gradient(90deg, #fbbf24, #f59e0b, #d97706, #b45309, #f59e0b, #fbbf24);
background: linear-gradient(90deg,
rgb(var(--color-yellow-bright)),
rgb(var(--color-orange-bright)),
rgb(var(--color-orange)),
rgb(var(--color-yellow)),
rgb(var(--color-orange-bright)),
rgb(var(--color-yellow-bright))
);
background-size: 200% auto;
color: transparent;
background-clip: text;

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@@ -1,4 +1,4 @@
import React, { useEffect, useRef, useState } from "react";
import { useEffect, useRef, useState } from "react";
interface AnimateInProps {
children: React.ReactNode;

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@@ -0,0 +1,58 @@
import { useState, useEffect, useRef } from "react";
import {
getStoredAnimationId,
getNextAnimation,
saveAnimation,
} from "@/lib/animations/engine";
import { ANIMATION_LABELS } from "@/lib/animations";
export default function AnimationSwitcher() {
const [hovering, setHovering] = useState(false);
const [currentLabel, setCurrentLabel] = useState("");
const committedRef = useRef("");
useEffect(() => {
committedRef.current = getStoredAnimationId();
setCurrentLabel(ANIMATION_LABELS[committedRef.current]);
const handleSwap = () => {
const id = getStoredAnimationId();
committedRef.current = id;
setCurrentLabel(ANIMATION_LABELS[id]);
};
document.addEventListener("astro:after-swap", handleSwap);
return () => {
document.removeEventListener("astro:after-swap", handleSwap);
};
}, []);
const handleClick = () => {
const nextId = getNextAnimation(
committedRef.current as Parameters<typeof getNextAnimation>[0]
);
saveAnimation(nextId);
committedRef.current = nextId;
setCurrentLabel(ANIMATION_LABELS[nextId]);
document.dispatchEvent(
new CustomEvent("animation-changed", { detail: { id: nextId } })
);
};
return (
<div
className="fixed bottom-4 left-4 z-[101] pointer-events-auto hidden md:block"
onMouseEnter={() => setHovering(true)}
onMouseLeave={() => setHovering(false)}
onClick={handleClick}
style={{ cursor: "pointer" }}
>
<span
className="text-foreground font-bold text-sm select-none transition-opacity duration-200"
style={{ opacity: hovering ? 0.8 : 0.15 }}
>
{currentLabel}
</span>
</div>
);
}

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@@ -0,0 +1,574 @@
import type { AnimationEngine } from "@/lib/animations/types";
// --- ASCII Art ---
interface AsciiPattern {
lines: string[];
width: number;
height: number;
}
function pat(lines: string[]): AsciiPattern {
return {
lines,
width: Math.max(...lines.map((l) => l.length)),
height: lines.length,
};
}
const FISH_DEFS: {
size: "small" | "medium";
weight: number;
right: AsciiPattern;
left: AsciiPattern;
}[] = [
{ size: "small", weight: 30, right: pat(["><>"]), left: pat(["<><"]) },
{
size: "small",
weight: 30,
right: pat(["><(('>"]),
left: pat(["<'))><"]),
},
{
size: "medium",
weight: 20,
right: pat(["><((o>"]),
left: pat(["<o))><"]),
},
{
size: "medium",
weight: 10,
right: pat(["><((('>"]),
left: pat(["<')))><"]),
},
];
const TOTAL_FISH_WEIGHT = FISH_DEFS.reduce((s, d) => s + d.weight, 0);
const BUBBLE_CHARS = [".", "o", "O"];
// --- Entity Interfaces ---
interface FishEntity {
kind: "fish";
x: number;
y: number;
vx: number;
pattern: AsciiPattern;
size: "small" | "medium";
color: [number, number, number];
baseColor: [number, number, number];
opacity: number;
elevation: number;
targetElevation: number;
staggerDelay: number;
}
interface BubbleEntity {
kind: "bubble";
x: number;
y: number;
vy: number;
wobblePhase: number;
wobbleAmplitude: number;
char: string;
color: [number, number, number];
baseColor: [number, number, number];
opacity: number;
elevation: number;
targetElevation: number;
staggerDelay: number;
burst: boolean;
}
type AquariumEntity = FishEntity | BubbleEntity;
// --- Constants ---
const BASE_AREA = 1920 * 1080;
const BASE_FISH = 16;
const BASE_BUBBLES = 12;
const TARGET_FPS = 60;
const FONT_SIZE_MIN = 24;
const FONT_SIZE_MAX = 36;
const FONT_SIZE_REF_WIDTH = 1920;
const LINE_HEIGHT_RATIO = 1.15;
const STAGGER_INTERVAL = 15;
const PI_2 = Math.PI * 2;
const MOUSE_INFLUENCE_RADIUS = 150;
const ELEVATION_FACTOR = 6;
const ELEVATION_LERP_SPEED = 0.05;
const COLOR_SHIFT_AMOUNT = 30;
const SHADOW_OFFSET_RATIO = 1.1;
const FISH_SPEED: Record<string, { min: number; max: number }> = {
small: { min: 0.8, max: 1.4 },
medium: { min: 0.5, max: 0.9 },
};
const BUBBLE_SPEED_MIN = 0.3;
const BUBBLE_SPEED_MAX = 0.7;
const BUBBLE_WOBBLE_MIN = 0.3;
const BUBBLE_WOBBLE_MAX = 1.0;
const BURST_BUBBLE_COUNT = 10;
// --- Helpers ---
function range(a: number, b: number): number {
return (b - a) * Math.random() + a;
}
function pickFishDef() {
let r = Math.random() * TOTAL_FISH_WEIGHT;
for (const def of FISH_DEFS) {
r -= def.weight;
if (r <= 0) return def;
}
return FISH_DEFS[0];
}
// --- Engine ---
export class AsciiquariumEngine implements AnimationEngine {
id = "asciiquarium";
name = "Asciiquarium";
private fish: FishEntity[] = [];
private bubbles: BubbleEntity[] = [];
private exiting = false;
private palette: [number, number, number][] = [];
private width = 0;
private height = 0;
private mouseX = -1000;
private mouseY = -1000;
private elapsed = 0;
private charWidth = 0;
private fontSize = FONT_SIZE_MAX;
private lineHeight = FONT_SIZE_MAX * LINE_HEIGHT_RATIO;
private font = `bold ${FONT_SIZE_MAX}px monospace`;
private computeFont(width: number): void {
const t = Math.sqrt(Math.min(1, width / FONT_SIZE_REF_WIDTH));
this.fontSize = Math.round(FONT_SIZE_MIN + (FONT_SIZE_MAX - FONT_SIZE_MIN) * t);
this.lineHeight = Math.round(this.fontSize * LINE_HEIGHT_RATIO);
this.font = `bold ${this.fontSize}px monospace`;
this.charWidth = 0;
}
init(
width: number,
height: number,
palette: [number, number, number][],
_bgColor: string
): void {
this.width = width;
this.height = height;
this.palette = palette;
this.elapsed = 0;
this.computeFont(width);
this.initEntities();
}
beginExit(): void {
if (this.exiting) return;
this.exiting = true;
// Stagger fade-out over 3 seconds
for (const f of this.fish) {
const delay = Math.random() * 3000;
setTimeout(() => {
f.staggerDelay = -2; // signal: fading out
}, delay);
}
for (const b of this.bubbles) {
const delay = Math.random() * 3000;
setTimeout(() => {
b.staggerDelay = -2;
}, delay);
}
}
isExitComplete(): boolean {
if (!this.exiting) return false;
for (const f of this.fish) {
if (f.opacity > 0.01) return false;
}
for (const b of this.bubbles) {
if (b.opacity > 0.01) return false;
}
return true;
}
cleanup(): void {
this.fish = [];
this.bubbles = [];
}
private randomColor(): [number, number, number] {
return this.palette[Math.floor(Math.random() * this.palette.length)];
}
private getCounts(): { fish: number; bubbles: number } {
const ratio = (this.width * this.height) / BASE_AREA;
return {
fish: Math.max(5, Math.round(BASE_FISH * ratio)),
bubbles: Math.max(5, Math.round(BASE_BUBBLES * ratio)),
};
}
private initEntities(): void {
this.fish = [];
this.bubbles = [];
const counts = this.getCounts();
let idx = 0;
for (let i = 0; i < counts.fish; i++) {
this.fish.push(this.spawnFish(idx++));
}
for (let i = 0; i < counts.bubbles; i++) {
this.bubbles.push(this.spawnBubble(idx++, false));
}
}
private spawnFish(staggerIdx: number): FishEntity {
const def = pickFishDef();
const goRight = Math.random() > 0.5;
const speed = range(FISH_SPEED[def.size].min, FISH_SPEED[def.size].max);
const pattern = goRight ? def.right : def.left;
const baseColor = this.randomColor();
const cw = this.charWidth || 9.6;
const pw = pattern.width * cw;
// Start off-screen on the side they swim from
const startX = goRight
? -pw - range(0, this.width * 0.5)
: this.width + range(0, this.width * 0.5);
return {
kind: "fish",
x: startX,
y: range(this.height * 0.05, this.height * 0.9),
vx: goRight ? speed : -speed,
pattern,
size: def.size,
color: [...baseColor],
baseColor,
opacity: 1,
elevation: 0,
targetElevation: 0,
staggerDelay: -1,
};
}
private spawnBubble(staggerIdx: number, burst: boolean): BubbleEntity {
const baseColor = this.randomColor();
return {
kind: "bubble",
x: range(0, this.width),
y: burst ? 0 : this.height + range(10, this.height * 0.5),
vy: -range(BUBBLE_SPEED_MIN, BUBBLE_SPEED_MAX),
wobblePhase: range(0, PI_2),
wobbleAmplitude: range(BUBBLE_WOBBLE_MIN, BUBBLE_WOBBLE_MAX),
char: BUBBLE_CHARS[Math.floor(Math.random() * BUBBLE_CHARS.length)],
color: [...baseColor],
baseColor,
opacity: 1,
elevation: 0,
targetElevation: 0,
staggerDelay: -1,
burst,
};
}
// --- Update ---
update(deltaTime: number): void {
const dt = deltaTime / (1000 / TARGET_FPS);
this.elapsed += deltaTime;
const mouseX = this.mouseX;
const mouseY = this.mouseY;
const cw = this.charWidth || 9.6;
// Fish
for (let i = this.fish.length - 1; i >= 0; i--) {
const f = this.fish[i];
if (f.staggerDelay >= 0) {
if (this.elapsed >= f.staggerDelay) f.staggerDelay = -1;
else continue;
}
// Fade out during exit
if (f.staggerDelay === -2) {
f.opacity -= 0.02 * dt;
if (f.opacity <= 0) { f.opacity = 0; continue; }
} else if (f.opacity < 1) {
f.opacity = Math.min(1, f.opacity + 0.03 * dt);
}
f.x += f.vx * dt;
const pw = f.pattern.width * cw;
if (f.vx > 0 && f.x > this.width + pw) {
f.x = -pw;
} else if (f.vx < 0 && f.x < -pw) {
f.x = this.width + pw;
}
const cx = f.x + (f.pattern.width * cw) / 2;
const cy = f.y + (f.pattern.height * this.lineHeight) / 2;
this.applyMouseInfluence(f, cx, cy, mouseX, mouseY, dt);
}
// Bubbles (reverse iteration for safe splice)
for (let i = this.bubbles.length - 1; i >= 0; i--) {
const b = this.bubbles[i];
if (b.staggerDelay >= 0) {
if (this.elapsed >= b.staggerDelay) b.staggerDelay = -1;
else continue;
}
// Fade out during exit
if (b.staggerDelay === -2) {
b.opacity -= 0.02 * dt;
if (b.opacity <= 0) { b.opacity = 0; continue; }
} else if (b.opacity < 1) {
b.opacity = Math.min(1, b.opacity + 0.03 * dt);
}
b.y += b.vy * dt;
b.x +=
Math.sin(this.elapsed * 0.003 + b.wobblePhase) *
b.wobbleAmplitude *
dt;
if (b.y < -20) {
if (b.burst) {
this.bubbles.splice(i, 1);
continue;
} else {
b.y = this.height + range(10, 40);
b.x = range(0, this.width);
}
}
this.applyMouseInfluence(b, b.x, b.y, mouseX, mouseY, dt);
}
}
private applyMouseInfluence(
entity: AquariumEntity,
cx: number,
cy: number,
mouseX: number,
mouseY: number,
dt: number
): void {
const dx = cx - mouseX;
const dy = cy - mouseY;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist < MOUSE_INFLUENCE_RADIUS && entity.opacity > 0.1) {
const inf = Math.cos((dist / MOUSE_INFLUENCE_RADIUS) * (Math.PI / 2));
entity.targetElevation = ELEVATION_FACTOR * inf * inf;
const shift = inf * COLOR_SHIFT_AMOUNT * 0.5;
entity.color = [
Math.min(255, Math.max(0, entity.baseColor[0] + shift)),
Math.min(255, Math.max(0, entity.baseColor[1] + shift)),
Math.min(255, Math.max(0, entity.baseColor[2] + shift)),
];
} else {
entity.targetElevation = 0;
entity.color[0] += (entity.baseColor[0] - entity.color[0]) * 0.1;
entity.color[1] += (entity.baseColor[1] - entity.color[1]) * 0.1;
entity.color[2] += (entity.baseColor[2] - entity.color[2]) * 0.1;
}
entity.elevation +=
(entity.targetElevation - entity.elevation) * ELEVATION_LERP_SPEED * dt;
}
// --- Render ---
render(
ctx: CanvasRenderingContext2D,
_width: number,
_height: number
): void {
if (!this.charWidth) {
ctx.font = this.font;
this.charWidth = ctx.measureText("M").width;
}
ctx.font = this.font;
ctx.textBaseline = "top";
// Fish
for (const f of this.fish) {
if (f.opacity <= 0.01 || f.staggerDelay >= 0) continue;
this.renderPattern(
ctx,
f.pattern,
f.x,
f.y,
f.color,
f.opacity,
f.elevation
);
}
// Bubbles
for (const b of this.bubbles) {
if (b.opacity <= 0.01 || b.staggerDelay >= 0) continue;
this.renderChar(ctx, b.char, b.x, b.y, b.color, b.opacity, b.elevation);
}
ctx.globalAlpha = 1;
}
private renderPattern(
ctx: CanvasRenderingContext2D,
pattern: AsciiPattern,
x: number,
y: number,
color: [number, number, number],
opacity: number,
elevation: number
): void {
const drawY = y - elevation;
const [r, g, b] = color;
// Shadow
if (elevation > 0.5) {
const shadowAlpha = 0.2 * (elevation / ELEVATION_FACTOR) * opacity;
ctx.globalAlpha = shadowAlpha;
ctx.fillStyle = "rgb(0,0,0)";
for (let line = 0; line < pattern.height; line++) {
ctx.fillText(
pattern.lines[line],
x,
drawY + line * this.lineHeight + elevation * SHADOW_OFFSET_RATIO
);
}
}
// Main text
ctx.globalAlpha = opacity;
ctx.fillStyle = `rgb(${r},${g},${b})`;
for (let line = 0; line < pattern.height; line++) {
ctx.fillText(pattern.lines[line], x, drawY + line * this.lineHeight);
}
// Highlight (top half of lines)
if (elevation > 0.5) {
const highlightAlpha = 0.1 * (elevation / ELEVATION_FACTOR) * opacity;
ctx.globalAlpha = highlightAlpha;
ctx.fillStyle = "rgb(255,255,255)";
const topLines = Math.ceil(pattern.height / 2);
for (let line = 0; line < topLines; line++) {
ctx.fillText(pattern.lines[line], x, drawY + line * this.lineHeight);
}
}
}
private renderChar(
ctx: CanvasRenderingContext2D,
char: string,
x: number,
y: number,
color: [number, number, number],
opacity: number,
elevation: number
): void {
const drawY = y - elevation;
const [r, g, b] = color;
// Shadow
if (elevation > 0.5) {
const shadowAlpha = 0.2 * (elevation / ELEVATION_FACTOR) * opacity;
ctx.globalAlpha = shadowAlpha;
ctx.fillStyle = "rgb(0,0,0)";
ctx.fillText(char, x, drawY + elevation * SHADOW_OFFSET_RATIO);
}
// Main
ctx.globalAlpha = opacity;
ctx.fillStyle = `rgb(${r},${g},${b})`;
ctx.fillText(char, x, drawY);
// Highlight
if (elevation > 0.5) {
const highlightAlpha = 0.1 * (elevation / ELEVATION_FACTOR) * opacity;
ctx.globalAlpha = highlightAlpha;
ctx.fillStyle = "rgb(255,255,255)";
ctx.fillText(char, x, drawY);
}
}
// --- Events ---
handleResize(width: number, height: number): void {
this.width = width;
this.height = height;
this.elapsed = 0;
this.exiting = false;
this.computeFont(width);
this.initEntities();
}
handleMouseMove(x: number, y: number, _isDown: boolean): void {
this.mouseX = x;
this.mouseY = y;
}
handleMouseDown(x: number, y: number): void {
for (let i = 0; i < BURST_BUBBLE_COUNT; i++) {
const baseColor = this.randomColor();
const angle = (i / BURST_BUBBLE_COUNT) * PI_2 + range(-0.3, 0.3);
const speed = range(0.3, 1.0);
this.bubbles.push({
kind: "bubble",
x,
y,
vy: -Math.abs(Math.sin(angle) * speed) - 0.3,
wobblePhase: range(0, PI_2),
wobbleAmplitude: Math.cos(angle) * speed * 0.5,
char: BUBBLE_CHARS[Math.floor(Math.random() * BUBBLE_CHARS.length)],
color: [...baseColor],
baseColor,
opacity: 1,
elevation: 0,
targetElevation: 0,
staggerDelay: this.exiting ? -2 : -1,
burst: true,
});
}
}
handleMouseUp(): void {}
handleMouseLeave(): void {
this.mouseX = -1000;
this.mouseY = -1000;
}
updatePalette(
palette: [number, number, number][],
_bgColor: string
): void {
this.palette = palette;
for (let i = 0; i < this.fish.length; i++) {
this.fish[i].baseColor = palette[i % palette.length];
}
for (let i = 0; i < this.bubbles.length; i++) {
this.bubbles[i].baseColor = palette[i % palette.length];
}
}
}

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import type { AnimationEngine } from "@/lib/animations/types";
interface ConfettiParticle {
x: number;
y: number;
vx: number;
vy: number;
r: number;
color: [number, number, number];
baseColor: [number, number, number];
opacity: number;
dop: number;
elevation: number;
targetElevation: number;
staggerDelay: number;
burst: boolean;
}
const BASE_CONFETTI = 385;
const BASE_AREA = 1920 * 1080;
const PI_2 = 2 * Math.PI;
const TARGET_FPS = 60;
const SPEED_FACTOR = 0.15;
const STAGGER_INTERVAL = 12;
const COLOR_LERP_SPEED = 0.02;
const MOUSE_INFLUENCE_RADIUS = 150;
const ELEVATION_FACTOR = 6;
const ELEVATION_LERP_SPEED = 0.05;
const COLOR_SHIFT_AMOUNT = 30;
const SHADOW_OFFSET_RATIO = 1.1;
function range(a: number, b: number): number {
return (b - a) * Math.random() + a;
}
export class ConfettiEngine implements AnimationEngine {
id = "confetti";
name = "Confetti";
private particles: ConfettiParticle[] = [];
private palette: [number, number, number][] = [];
private width = 0;
private height = 0;
private mouseX = -1000;
private mouseY = -1000;
private mouseXNorm = 0.5;
private elapsed = 0;
private exiting = false;
init(
width: number,
height: number,
palette: [number, number, number][],
_bgColor: string
): void {
this.width = width;
this.height = height;
this.palette = palette;
this.elapsed = 0;
this.mouseXNorm = 0.5;
this.initParticles();
}
beginExit(): void {
if (this.exiting) return;
this.exiting = true;
// Stagger fade-out over 3 seconds
for (let i = 0; i < this.particles.length; i++) {
const p = this.particles[i];
p.staggerDelay = -1; // ensure visible
// Random delay before fade starts, stored as negative dop
const delay = Math.random() * 3000;
setTimeout(() => {
p.dop = -0.02;
}, delay);
}
}
isExitComplete(): boolean {
if (!this.exiting) return false;
for (let i = 0; i < this.particles.length; i++) {
if (this.particles[i].opacity > 0.01) return false;
}
return true;
}
cleanup(): void {
this.particles = [];
}
private randomColor(): [number, number, number] {
return this.palette[Math.floor(Math.random() * this.palette.length)];
}
private getParticleCount(): number {
const area = this.width * this.height;
return Math.max(20, Math.round(BASE_CONFETTI * (area / BASE_AREA)));
}
private initParticles(): void {
this.particles = [];
const count = this.getParticleCount();
for (let i = 0; i < count; i++) {
const baseColor = this.randomColor();
const r = ~~range(3, 8);
this.particles.push({
x: range(-r * 2, this.width - r * 2),
y: range(-20, this.height - r * 2),
vx: (range(0, 2) + 8 * 0.5 - 5) * SPEED_FACTOR,
vy: (0.7 * r + range(-1, 1)) * SPEED_FACTOR,
r,
color: [...baseColor],
baseColor,
opacity: 0,
dop: 0.03 * range(1, 4) * SPEED_FACTOR,
elevation: 0,
targetElevation: 0,
staggerDelay: i * STAGGER_INTERVAL + range(0, STAGGER_INTERVAL),
burst: false,
});
}
}
private replaceParticle(p: ConfettiParticle): void {
p.opacity = 0;
p.dop = 0.03 * range(1, 4) * SPEED_FACTOR;
p.x = range(-p.r * 2, this.width - p.r * 2);
p.y = range(-20, -p.r * 2);
p.vx = (range(0, 2) + 8 * this.mouseXNorm - 5) * SPEED_FACTOR;
p.vy = (0.7 * p.r + range(-1, 1)) * SPEED_FACTOR;
p.elevation = 0;
p.targetElevation = 0;
p.baseColor = this.randomColor();
p.color = [...p.baseColor];
p.burst = false;
}
update(deltaTime: number): void {
const dt = deltaTime / (1000 / TARGET_FPS);
this.elapsed += deltaTime;
const mouseX = this.mouseX;
const mouseY = this.mouseY;
for (let i = 0; i < this.particles.length; i++) {
const p = this.particles[i];
// Stagger gate
if (p.staggerDelay >= 0) {
if (this.elapsed >= p.staggerDelay) {
p.staggerDelay = -1;
} else {
continue;
}
}
// Gravity (capped so falling particles don't accelerate)
const maxVy = (0.7 * p.r + 1) * SPEED_FACTOR;
if (p.vy < maxVy) {
p.vy = Math.min(p.vy + 0.02 * dt, maxVy);
}
// Position update
p.x += p.vx * dt;
p.y += p.vy * dt;
// Fade in, or fade out during exit
if (this.exiting && p.dop < 0) {
p.opacity += p.dop * dt;
if (p.opacity < 0) p.opacity = 0;
} else if (p.opacity < 1) {
p.opacity += Math.abs(p.dop) * dt;
if (p.opacity > 1) p.opacity = 1;
}
// Past the bottom: burst particles removed, base particles recycle (or remove during exit)
if (p.y > this.height + p.r) {
if (p.burst || this.exiting) {
this.particles.splice(i, 1);
i--;
} else {
this.replaceParticle(p);
}
continue;
}
// Horizontal wrap
const xmax = this.width - p.r;
if (p.x < 0 || p.x > xmax) {
p.x = ((p.x % xmax) + xmax) % xmax;
}
// Mouse proximity elevation
const dx = p.x - mouseX;
const dy = p.y - mouseY;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist < MOUSE_INFLUENCE_RADIUS && p.opacity > 0.1) {
const influenceFactor = Math.cos(
(dist / MOUSE_INFLUENCE_RADIUS) * (Math.PI / 2)
);
p.targetElevation =
ELEVATION_FACTOR * influenceFactor * influenceFactor;
const shift = influenceFactor * COLOR_SHIFT_AMOUNT * 0.5;
p.color = [
Math.min(255, Math.max(0, p.baseColor[0] + shift)),
Math.min(255, Math.max(0, p.baseColor[1] + shift)),
Math.min(255, Math.max(0, p.baseColor[2] + shift)),
];
} else {
p.targetElevation = 0;
p.color[0] += (p.baseColor[0] - p.color[0]) * 0.1;
p.color[1] += (p.baseColor[1] - p.color[1]) * 0.1;
p.color[2] += (p.baseColor[2] - p.color[2]) * 0.1;
}
// Elevation lerp
p.elevation +=
(p.targetElevation - p.elevation) * ELEVATION_LERP_SPEED * dt;
}
}
render(
ctx: CanvasRenderingContext2D,
_width: number,
_height: number
): void {
for (let i = 0; i < this.particles.length; i++) {
const p = this.particles[i];
if (p.opacity <= 0.01 || p.staggerDelay >= 0) continue;
const drawX = ~~p.x;
const drawY = ~~p.y - p.elevation;
const [r, g, b] = p.color;
// Shadow
if (p.elevation > 0.5) {
const shadowAlpha =
0.2 * (p.elevation / ELEVATION_FACTOR) * p.opacity;
ctx.globalAlpha = shadowAlpha;
ctx.fillStyle = "rgb(0,0,0)";
ctx.shadowBlur = 2;
ctx.shadowColor = "rgba(0,0,0,0.1)";
ctx.beginPath();
ctx.arc(
drawX,
drawY + p.elevation * SHADOW_OFFSET_RATIO,
p.r,
0,
PI_2
);
ctx.fill();
ctx.shadowBlur = 0;
ctx.shadowColor = "transparent";
}
// Main circle
ctx.globalAlpha = p.opacity;
ctx.fillStyle = `rgb(${r},${g},${b})`;
ctx.beginPath();
ctx.arc(drawX, drawY, p.r, 0, PI_2);
ctx.fill();
// Highlight on elevated particles
if (p.elevation > 0.5) {
const highlightAlpha =
0.1 * (p.elevation / ELEVATION_FACTOR) * p.opacity;
ctx.globalAlpha = highlightAlpha;
ctx.fillStyle = "rgb(255,255,255)";
ctx.beginPath();
ctx.arc(drawX, drawY, p.r, Math.PI, 0);
ctx.fill();
}
}
ctx.globalAlpha = 1;
}
handleResize(width: number, height: number): void {
this.width = width;
this.height = height;
this.elapsed = 0;
this.initParticles();
}
handleMouseMove(x: number, y: number, _isDown: boolean): void {
this.mouseX = x;
this.mouseY = y;
if (this.width > 0) {
this.mouseXNorm = Math.max(0, Math.min(1, x / this.width));
}
}
handleMouseDown(x: number, y: number): void {
const count = 12;
for (let i = 0; i < count; i++) {
const baseColor = this.randomColor();
const r = ~~range(3, 8);
const angle = (i / count) * PI_2 + range(-0.3, 0.3);
const speed = range(0.3, 1.2);
this.particles.push({
x,
y,
vx: Math.cos(angle) * speed,
vy: Math.sin(angle) * speed,
r,
color: [...baseColor],
baseColor,
opacity: 1,
dop: this.exiting ? -0.02 : 0,
elevation: 0,
targetElevation: 0,
staggerDelay: -1,
burst: true,
});
}
}
handleMouseUp(): void {}
handleMouseLeave(): void {
this.mouseX = -1000;
this.mouseY = -1000;
this.mouseXNorm = 0.5;
}
updatePalette(palette: [number, number, number][], _bgColor: string): void {
this.palette = palette;
for (let i = 0; i < this.particles.length; i++) {
this.particles[i].baseColor = palette[i % palette.length];
}
}
}

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import type { AnimationEngine } from "@/lib/animations/types";
interface Cell {
alive: boolean;
next: boolean;
color: [number, number, number];
baseColor: [number, number, number];
currentX: number;
currentY: number;
targetX: number;
targetY: number;
opacity: number;
targetOpacity: number;
scale: number;
targetScale: number;
elevation: number;
targetElevation: number;
transitioning: boolean;
transitionComplete: boolean;
rippleEffect: number;
rippleStartTime: number;
rippleDistance: number;
}
interface Grid {
cells: Cell[][];
cols: number;
rows: number;
offsetX: number;
offsetY: number;
}
const CELL_SIZE_MOBILE = 15;
const CELL_SIZE_DESKTOP = 25;
const TARGET_FPS = 60;
const CYCLE_TIME = 3000;
const TRANSITION_SPEED = 0.05;
const SCALE_SPEED = 0.05;
const INITIAL_DENSITY = 0.15;
const MOUSE_INFLUENCE_RADIUS = 150;
const COLOR_SHIFT_AMOUNT = 30;
const RIPPLE_ELEVATION_FACTOR = 4;
const ELEVATION_FACTOR = 8;
export class GameOfLifeEngine implements AnimationEngine {
id = "game-of-life";
name = "Game of Life";
private grid: Grid | null = null;
private palette: [number, number, number][] = [];
private bgColor = "rgb(0, 0, 0)";
private mouseX = -1000;
private mouseY = -1000;
private mouseIsDown = false;
private mouseCellX = -1;
private mouseCellY = -1;
private lastCycleTime = 0;
private timeAccumulator = 0;
private pendingTimeouts: ReturnType<typeof setTimeout>[] = [];
private canvasWidth = 0;
private canvasHeight = 0;
private exiting = false;
init(
width: number,
height: number,
palette: [number, number, number][],
bgColor: string
): void {
this.palette = palette;
this.bgColor = bgColor;
this.canvasWidth = width;
this.canvasHeight = height;
this.lastCycleTime = 0;
this.timeAccumulator = 0;
this.grid = this.initGrid(width, height);
}
cleanup(): void {
for (const id of this.pendingTimeouts) {
clearTimeout(id);
}
this.pendingTimeouts = [];
this.grid = null;
}
private getCellSize(): number {
return this.canvasWidth <= 768 ? CELL_SIZE_MOBILE : CELL_SIZE_DESKTOP;
}
private randomColor(): [number, number, number] {
return this.palette[Math.floor(Math.random() * this.palette.length)];
}
private initGrid(width: number, height: number): Grid {
const cellSize = this.getCellSize();
const cols = Math.floor(width / cellSize);
const rows = Math.floor(height / cellSize);
const offsetX = Math.floor((width - cols * cellSize) / 2);
const offsetY = Math.floor((height - rows * cellSize) / 2);
const cells = Array(cols)
.fill(0)
.map((_, i) =>
Array(rows)
.fill(0)
.map((_, j) => {
const baseColor = this.randomColor();
return {
alive: Math.random() < INITIAL_DENSITY,
next: false,
color: [...baseColor] as [number, number, number],
baseColor,
currentX: i,
currentY: j,
targetX: i,
targetY: j,
opacity: 0,
targetOpacity: 0,
scale: 0,
targetScale: 0,
elevation: 0,
targetElevation: 0,
transitioning: false,
transitionComplete: false,
rippleEffect: 0,
rippleStartTime: 0,
rippleDistance: 0,
};
})
);
const grid = { cells, cols, rows, offsetX, offsetY };
this.computeNextState(grid);
for (let i = 0; i < cols; i++) {
for (let j = 0; j < rows; j++) {
const cell = cells[i][j];
if (cell.next) {
cell.alive = true;
const tid = setTimeout(() => {
cell.targetOpacity = 1;
cell.targetScale = 1;
}, Math.random() * 1000);
this.pendingTimeouts.push(tid);
} else {
cell.alive = false;
}
}
}
return grid;
}
private countNeighbors(
grid: Grid,
x: number,
y: number
): { count: number; colors: [number, number, number][] } {
const neighbors = { count: 0, colors: [] as [number, number, number][] };
for (let i = -1; i <= 1; i++) {
for (let j = -1; j <= 1; j++) {
if (i === 0 && j === 0) continue;
const col = (x + i + grid.cols) % grid.cols;
const row = (y + j + grid.rows) % grid.rows;
if (grid.cells[col][row].alive) {
neighbors.count++;
neighbors.colors.push(grid.cells[col][row].baseColor);
}
}
}
return neighbors;
}
private averageColors(
colors: [number, number, number][]
): [number, number, number] {
if (colors.length === 0) return [0, 0, 0];
const sum = colors.reduce(
(acc, color) => [acc[0] + color[0], acc[1] + color[1], acc[2] + color[2]],
[0, 0, 0]
);
return [
Math.round(sum[0] / colors.length),
Math.round(sum[1] / colors.length),
Math.round(sum[2] / colors.length),
];
}
private computeNextState(grid: Grid): void {
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
const cell = grid.cells[i][j];
const { count, colors } = this.countNeighbors(grid, i, j);
if (cell.alive) {
cell.next = count === 2 || count === 3;
} else {
cell.next = count === 3;
if (cell.next) {
cell.baseColor = this.averageColors(colors);
cell.color = [...cell.baseColor];
}
}
}
}
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
const cell = grid.cells[i][j];
if (cell.alive !== cell.next && !cell.transitioning) {
cell.transitioning = true;
cell.transitionComplete = false;
const delay = Math.random() * 800;
const tid = setTimeout(() => {
if (!cell.next) {
cell.targetScale = 0;
cell.targetOpacity = 0;
cell.targetElevation = 0;
} else {
cell.targetScale = 1;
cell.targetOpacity = 1;
cell.targetElevation = 0;
}
}, delay);
this.pendingTimeouts.push(tid);
}
}
}
}
private createRippleEffect(
grid: Grid,
centerX: number,
centerY: number
): void {
const currentTime = Date.now();
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
const cell = grid.cells[i][j];
const dx = i - centerX;
const dy = j - centerY;
const distance = Math.sqrt(dx * dx + dy * dy);
if (cell.opacity > 0.1) {
cell.rippleStartTime = currentTime + distance * 100;
cell.rippleDistance = distance;
cell.rippleEffect = 0;
}
}
}
}
private spawnCellAtPosition(grid: Grid, x: number, y: number): void {
if (x >= 0 && x < grid.cols && y >= 0 && y < grid.rows) {
const cell = grid.cells[x][y];
if (!cell.alive && !cell.transitioning) {
cell.alive = true;
cell.next = true;
cell.transitioning = true;
cell.transitionComplete = false;
cell.baseColor = this.randomColor();
cell.color = [...cell.baseColor];
cell.targetScale = 1;
cell.targetOpacity = 1;
cell.targetElevation = 0;
this.createRippleEffect(grid, x, y);
}
}
}
beginExit(): void {
if (this.exiting || !this.grid) return;
this.exiting = true;
// Cancel all pending GOL transitions so they don't revive cells
for (const id of this.pendingTimeouts) {
clearTimeout(id);
}
this.pendingTimeouts = [];
const grid = this.grid;
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
const cell = grid.cells[i][j];
// Force cell into dying state, clear any pending transition
cell.next = false;
cell.transitioning = false;
cell.transitionComplete = false;
if (cell.opacity > 0.01) {
const delay = Math.random() * 3000;
const tid = setTimeout(() => {
cell.targetOpacity = 0;
cell.targetScale = 0;
cell.targetElevation = 0;
}, delay);
this.pendingTimeouts.push(tid);
}
}
}
}
isExitComplete(): boolean {
if (!this.exiting) return false;
if (!this.grid) return true;
const grid = this.grid;
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
if (grid.cells[i][j].opacity > 0.01) return false;
}
}
return true;
}
update(deltaTime: number): void {
if (!this.grid) return;
if (!this.exiting) {
this.timeAccumulator += deltaTime;
if (this.timeAccumulator >= CYCLE_TIME) {
this.computeNextState(this.grid);
this.timeAccumulator -= CYCLE_TIME;
}
}
this.updateCellAnimations(this.grid, deltaTime);
}
private updateCellAnimations(grid: Grid, deltaTime: number): void {
const mouseX = this.mouseX;
const mouseY = this.mouseY;
const cellSize = this.getCellSize();
const transitionFactor =
TRANSITION_SPEED * (deltaTime / (1000 / TARGET_FPS));
const scaleFactor = SCALE_SPEED * (deltaTime / (1000 / TARGET_FPS));
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
const cell = grid.cells[i][j];
cell.opacity += (cell.targetOpacity - cell.opacity) * transitionFactor;
cell.scale += (cell.targetScale - cell.scale) * scaleFactor;
cell.elevation +=
(cell.targetElevation - cell.elevation) * scaleFactor;
const cellCenterX = grid.offsetX + i * cellSize + cellSize / 2;
const cellCenterY = grid.offsetY + j * cellSize + cellSize / 2;
const dx = cellCenterX - mouseX;
const dy = cellCenterY - mouseY;
const distanceToMouse = Math.sqrt(dx * dx + dy * dy);
if (distanceToMouse < MOUSE_INFLUENCE_RADIUS && cell.opacity > 0.1) {
const influenceFactor = Math.cos(
(distanceToMouse / MOUSE_INFLUENCE_RADIUS) * (Math.PI / 2)
);
cell.targetElevation =
ELEVATION_FACTOR * influenceFactor * influenceFactor;
const colorShift = influenceFactor * COLOR_SHIFT_AMOUNT * 0.5;
cell.color = [
Math.min(255, Math.max(0, cell.baseColor[0] + colorShift)),
Math.min(255, Math.max(0, cell.baseColor[1] + colorShift)),
Math.min(255, Math.max(0, cell.baseColor[2] + colorShift)),
] as [number, number, number];
} else {
cell.color[0] += (cell.baseColor[0] - cell.color[0]) * 0.1;
cell.color[1] += (cell.baseColor[1] - cell.color[1]) * 0.1;
cell.color[2] += (cell.baseColor[2] - cell.color[2]) * 0.1;
cell.targetElevation = 0;
}
// During exit: snap to zero once close enough
if (this.exiting) {
if (cell.opacity < 0.05) {
cell.opacity = 0;
cell.scale = 0;
cell.elevation = 0;
cell.alive = false;
}
} else if (cell.transitioning) {
if (!cell.next && cell.opacity < 0.01 && cell.scale < 0.01) {
cell.alive = false;
cell.transitioning = false;
cell.transitionComplete = true;
cell.opacity = 0;
cell.scale = 0;
cell.elevation = 0;
} else if (cell.next && !cell.alive && !cell.transitionComplete) {
cell.alive = true;
cell.transitioning = false;
cell.transitionComplete = true;
}
}
if (cell.rippleStartTime > 0) {
const elapsedTime = Date.now() - cell.rippleStartTime;
if (elapsedTime > 0) {
const rippleProgress = elapsedTime / 1000;
if (rippleProgress < 1) {
const wavePhase = rippleProgress * Math.PI * 2;
const waveHeight =
Math.sin(wavePhase) * Math.exp(-rippleProgress * 4);
if (distanceToMouse >= MOUSE_INFLUENCE_RADIUS) {
cell.rippleEffect = waveHeight;
cell.targetElevation = RIPPLE_ELEVATION_FACTOR * waveHeight;
} else {
cell.rippleEffect = waveHeight * 0.3;
}
} else {
cell.rippleEffect = 0;
cell.rippleStartTime = 0;
if (distanceToMouse >= MOUSE_INFLUENCE_RADIUS) {
cell.targetElevation = 0;
}
}
}
}
}
}
}
render(
ctx: CanvasRenderingContext2D,
width: number,
height: number
): void {
if (!this.grid) return;
const grid = this.grid;
const cellSize = this.getCellSize();
const displayCellSize = cellSize * 0.8;
const roundness = displayCellSize * 0.2;
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
const cell = grid.cells[i][j];
if (
(cell.alive || cell.targetOpacity > 0) &&
cell.opacity > 0.01
) {
const [r, g, b] = cell.color;
ctx.globalAlpha = cell.opacity * 0.9;
const scaledSize = displayCellSize * cell.scale;
const xOffset = (displayCellSize - scaledSize) / 2;
const yOffset = (displayCellSize - scaledSize) / 2;
const elevationOffset = cell.elevation;
const x =
grid.offsetX +
i * cellSize +
(cellSize - displayCellSize) / 2 +
xOffset;
const y =
grid.offsetY +
j * cellSize +
(cellSize - displayCellSize) / 2 +
yOffset -
elevationOffset;
const scaledRoundness = roundness * cell.scale;
// Shadow for 3D effect
if (elevationOffset > 0.5) {
ctx.fillStyle = `rgba(0, 0, 0, ${0.2 * (elevationOffset / ELEVATION_FACTOR)})`;
ctx.beginPath();
ctx.moveTo(x + scaledRoundness, y + elevationOffset * 1.1);
ctx.lineTo(
x + scaledSize - scaledRoundness,
y + elevationOffset * 1.1
);
ctx.quadraticCurveTo(
x + scaledSize,
y + elevationOffset * 1.1,
x + scaledSize,
y + elevationOffset * 1.1 + scaledRoundness
);
ctx.lineTo(
x + scaledSize,
y + elevationOffset * 1.1 + scaledSize - scaledRoundness
);
ctx.quadraticCurveTo(
x + scaledSize,
y + elevationOffset * 1.1 + scaledSize,
x + scaledSize - scaledRoundness,
y + elevationOffset * 1.1 + scaledSize
);
ctx.lineTo(
x + scaledRoundness,
y + elevationOffset * 1.1 + scaledSize
);
ctx.quadraticCurveTo(
x,
y + elevationOffset * 1.1 + scaledSize,
x,
y + elevationOffset * 1.1 + scaledSize - scaledRoundness
);
ctx.lineTo(x, y + elevationOffset * 1.1 + scaledRoundness);
ctx.quadraticCurveTo(
x,
y + elevationOffset * 1.1,
x + scaledRoundness,
y + elevationOffset * 1.1
);
ctx.fill();
}
// Main cell
ctx.fillStyle = `rgb(${r},${g},${b})`;
ctx.beginPath();
ctx.moveTo(x + scaledRoundness, y);
ctx.lineTo(x + scaledSize - scaledRoundness, y);
ctx.quadraticCurveTo(x + scaledSize, y, x + scaledSize, y + scaledRoundness);
ctx.lineTo(x + scaledSize, y + scaledSize - scaledRoundness);
ctx.quadraticCurveTo(
x + scaledSize,
y + scaledSize,
x + scaledSize - scaledRoundness,
y + scaledSize
);
ctx.lineTo(x + scaledRoundness, y + scaledSize);
ctx.quadraticCurveTo(x, y + scaledSize, x, y + scaledSize - scaledRoundness);
ctx.lineTo(x, y + scaledRoundness);
ctx.quadraticCurveTo(x, y, x + scaledRoundness, y);
ctx.fill();
// Highlight on elevated cells
if (elevationOffset > 0.5) {
ctx.fillStyle = `rgba(255, 255, 255, ${0.1 * (elevationOffset / ELEVATION_FACTOR)})`;
ctx.beginPath();
ctx.moveTo(x + scaledRoundness, y);
ctx.lineTo(x + scaledSize - scaledRoundness, y);
ctx.quadraticCurveTo(
x + scaledSize,
y,
x + scaledSize,
y + scaledRoundness
);
ctx.lineTo(x + scaledSize, y + scaledSize / 3);
ctx.lineTo(x, y + scaledSize / 3);
ctx.lineTo(x, y + scaledRoundness);
ctx.quadraticCurveTo(x, y, x + scaledRoundness, y);
ctx.fill();
}
}
}
}
ctx.globalAlpha = 1;
}
handleResize(width: number, height: number): void {
this.canvasWidth = width;
this.canvasHeight = height;
const cellSize = this.getCellSize();
if (
!this.grid ||
this.grid.cols !== Math.floor(width / cellSize) ||
this.grid.rows !== Math.floor(height / cellSize)
) {
for (const id of this.pendingTimeouts) {
clearTimeout(id);
}
this.pendingTimeouts = [];
this.grid = this.initGrid(width, height);
}
}
handleMouseMove(x: number, y: number, isDown: boolean): void {
this.mouseX = x;
this.mouseY = y;
this.mouseIsDown = isDown;
if (isDown && this.grid && !this.exiting) {
const grid = this.grid;
const cellSize = this.getCellSize();
const cellX = Math.floor((x - grid.offsetX) / cellSize);
const cellY = Math.floor((y - grid.offsetY) / cellSize);
if (cellX !== this.mouseCellX || cellY !== this.mouseCellY) {
this.mouseCellX = cellX;
this.mouseCellY = cellY;
if (
cellX >= 0 &&
cellX < grid.cols &&
cellY >= 0 &&
cellY < grid.rows
) {
const cell = grid.cells[cellX][cellY];
if (!cell.alive && !cell.transitioning) {
this.spawnCellAtPosition(grid, cellX, cellY);
}
}
}
}
}
handleMouseDown(x: number, y: number): void {
this.mouseIsDown = true;
if (!this.grid || this.exiting) return;
const grid = this.grid;
const cellSize = this.getCellSize();
const cellX = Math.floor((x - grid.offsetX) / cellSize);
const cellY = Math.floor((y - grid.offsetY) / cellSize);
if (
cellX >= 0 &&
cellX < grid.cols &&
cellY >= 0 &&
cellY < grid.rows
) {
this.mouseCellX = cellX;
this.mouseCellY = cellY;
const cell = grid.cells[cellX][cellY];
if (cell.alive) {
this.createRippleEffect(grid, cellX, cellY);
} else {
this.spawnCellAtPosition(grid, cellX, cellY);
}
}
}
handleMouseUp(): void {
this.mouseIsDown = false;
}
handleMouseLeave(): void {
this.mouseIsDown = false;
this.mouseX = -1000;
this.mouseY = -1000;
}
updatePalette(palette: [number, number, number][], bgColor: string): void {
this.palette = palette;
this.bgColor = bgColor;
if (this.grid) {
const grid = this.grid;
for (let i = 0; i < grid.cols; i++) {
for (let j = 0; j < grid.rows; j++) {
const cell = grid.cells[i][j];
if (cell.alive && cell.opacity > 0.01) {
cell.baseColor = palette[(i * grid.rows + j) % palette.length];
}
}
}
}
}
}

View File

@@ -0,0 +1,520 @@
import type { AnimationEngine } from "@/lib/animations/types";
interface Blob {
x: number;
y: number;
vx: number;
vy: number;
baseRadius: number;
radiusScale: number;
targetRadiusScale: number;
color: [number, number, number];
targetColor: [number, number, number];
phase: number;
phaseSpeed: number;
staggerDelay: number; // -1 means already revealed
}
const BLOB_COUNT = 26;
const BASE_MAX_BLOBS = 80; // at 1080p; scales with canvas area
const MIN_SPEED = 0.1;
const MAX_SPEED = 0.35;
const RESOLUTION_SCALE = 5; // render at 1/5 resolution (was 1/4)
const FIELD_THRESHOLD = 1.0;
const SMOOTHSTEP_RANGE = 0.25;
const MOUSE_REPEL_RADIUS = 150;
const MOUSE_REPEL_FORCE = 0.2;
const COLOR_LERP_SPEED = 0.02;
const DRIFT_AMPLITUDE = 0.2;
const RADIUS_LERP_SPEED = 0.06;
const STAGGER_INTERVAL = 60;
const CYCLE_MIN_MS = 2000; // min time between natural spawn/despawn
const CYCLE_MAX_MS = 5000; // max time
function smoothstep(edge0: number, edge1: number, x: number): number {
const t = Math.max(0, Math.min(1, (x - edge0) / (edge1 - edge0)));
return t * t * (3 - 2 * t);
}
export class LavaLampEngine implements AnimationEngine {
id = "lava-lamp";
name = "Lava Lamp";
private blobs: Blob[] = [];
private palette: [number, number, number][] = [];
private bgRgb: [number, number, number] = [0, 0, 0];
private width = 0;
private height = 0;
private mouseX = -1000;
private mouseY = -1000;
private offCanvas: HTMLCanvasElement | null = null;
private offCtx: CanvasRenderingContext2D | null = null;
private shadowCanvas: HTMLCanvasElement | null = null;
private shadowCtx: CanvasRenderingContext2D | null = null;
private elapsed = 0;
private nextCycleTime = 0;
private exiting = false;
// Pre-allocated typed arrays for the inner render loop (avoid per-frame GC)
private blobX: Float64Array = new Float64Array(0);
private blobY: Float64Array = new Float64Array(0);
private blobR: Float64Array = new Float64Array(0);
private blobCR: Float64Array = new Float64Array(0);
private blobCG: Float64Array = new Float64Array(0);
private blobCB: Float64Array = new Float64Array(0);
private activeBlobCount = 0;
init(
width: number,
height: number,
palette: [number, number, number][],
bgColor: string
): void {
this.width = width;
this.height = height;
this.palette = palette;
this.parseBgColor(bgColor);
this.elapsed = 0;
this.nextCycleTime = CYCLE_MIN_MS + Math.random() * (CYCLE_MAX_MS - CYCLE_MIN_MS);
this.initBlobs();
this.initOffscreenCanvas();
}
private parseBgColor(bgColor: string): void {
const match = bgColor.match(/(\d+)/g);
if (match && match.length >= 3) {
this.bgRgb = [parseInt(match[0]), parseInt(match[1]), parseInt(match[2])];
}
}
private getMaxBlobs(): number {
const area = this.width * this.height;
const scale = area / 2_073_600; // normalize to 1080p
return Math.max(BASE_MAX_BLOBS, Math.round(BASE_MAX_BLOBS * scale));
}
private getRadiusRange(): { min: number; max: number } {
const area = this.width * this.height;
const scale = Math.sqrt(area / 2_073_600);
const min = Math.max(8, Math.round(25 * scale));
const max = Math.max(15, Math.round(65 * scale));
return { min, max };
}
private makeBlob(x: number, y: number, radiusOverride?: number): Blob {
const { min, max } = this.getRadiusRange();
const color = this.palette[
Math.floor(Math.random() * this.palette.length)
] || [128, 128, 128];
return {
x,
y,
vx: (Math.random() - 0.5) * 2 * MAX_SPEED,
vy: (Math.random() - 0.5) * 2 * MAX_SPEED,
baseRadius: radiusOverride ?? (min + Math.random() * (max - min)),
radiusScale: 0,
targetRadiusScale: 1,
color: [...color],
targetColor: [...color],
phase: Math.random() * Math.PI * 2,
phaseSpeed: 0.0005 + Math.random() * 0.001,
staggerDelay: -1,
};
}
private initBlobs(): void {
this.blobs = [];
const { max } = this.getRadiusRange();
const minDist = max * 2.5; // minimum distance between blob centers
for (let i = 0; i < BLOB_COUNT; i++) {
let x: number, y: number;
let attempts = 0;
// Try to find a position that doesn't overlap existing blobs
do {
x = Math.random() * this.width;
y = Math.random() * this.height;
attempts++;
} while (attempts < 50 && this.tooCloseToExisting(x, y, minDist));
const blob = this.makeBlob(x, y);
blob.targetRadiusScale = 0;
blob.staggerDelay = i * STAGGER_INTERVAL + Math.random() * STAGGER_INTERVAL;
this.blobs.push(blob);
}
}
private tooCloseToExisting(x: number, y: number, minDist: number): boolean {
for (const blob of this.blobs) {
const dx = blob.x - x;
const dy = blob.y - y;
if (dx * dx + dy * dy < minDist * minDist) return true;
}
return false;
}
private initOffscreenCanvas(): void {
const rw = Math.ceil(this.width / RESOLUTION_SCALE);
const rh = Math.ceil(this.height / RESOLUTION_SCALE);
this.offCanvas = document.createElement("canvas");
this.offCanvas.width = rw;
this.offCanvas.height = rh;
this.offCtx = this.offCanvas.getContext("2d", { willReadFrequently: true });
this.shadowCanvas = document.createElement("canvas");
this.shadowCanvas.width = rw;
this.shadowCanvas.height = rh;
this.shadowCtx = this.shadowCanvas.getContext("2d", {
willReadFrequently: true,
});
}
beginExit(): void {
if (this.exiting) return;
this.exiting = true;
for (let i = 0; i < this.blobs.length; i++) {
const blob = this.blobs[i];
if (blob.staggerDelay >= 0) {
blob.staggerDelay = -1;
}
// Stagger the shrink over ~2 seconds
setTimeout(() => {
blob.targetRadiusScale = 0;
}, Math.random() * 2000);
}
}
isExitComplete(): boolean {
if (!this.exiting) return false;
return this.blobs.length === 0;
}
cleanup(): void {
this.blobs = [];
this.offCanvas = null;
this.offCtx = null;
this.shadowCanvas = null;
this.shadowCtx = null;
}
/** Snapshot active blob data into flat typed arrays for fast inner-loop access */
private syncBlobArrays(): void {
const blobs = this.blobs;
const n = blobs.length;
// Grow arrays if needed
if (this.blobX.length < n) {
const cap = n + 32;
this.blobX = new Float64Array(cap);
this.blobY = new Float64Array(cap);
this.blobR = new Float64Array(cap);
this.blobCR = new Float64Array(cap);
this.blobCG = new Float64Array(cap);
this.blobCB = new Float64Array(cap);
}
let count = 0;
for (let i = 0; i < n; i++) {
const b = blobs[i];
const r = b.baseRadius * b.radiusScale;
if (r < 1) continue; // skip invisible blobs entirely
this.blobX[count] = b.x;
this.blobY[count] = b.y;
this.blobR[count] = r;
this.blobCR[count] = b.color[0];
this.blobCG[count] = b.color[1];
this.blobCB[count] = b.color[2];
count++;
}
this.activeBlobCount = count;
}
update(deltaTime: number): void {
const dt = deltaTime / (1000 / 60);
this.elapsed += deltaTime;
for (const blob of this.blobs) {
// Staggered load-in
if (blob.staggerDelay >= 0) {
if (this.elapsed >= blob.staggerDelay) {
blob.targetRadiusScale = 1;
blob.staggerDelay = -1;
}
}
blob.radiusScale +=
(blob.targetRadiusScale - blob.radiusScale) * RADIUS_LERP_SPEED * dt;
blob.phase += blob.phaseSpeed * deltaTime;
const driftX = Math.sin(blob.phase) * DRIFT_AMPLITUDE;
const driftY = Math.cos(blob.phase * 0.7) * DRIFT_AMPLITUDE;
blob.vx += driftX * dt * 0.01;
blob.vy += driftY * dt * 0.01;
blob.vx += (Math.random() - 0.5) * 0.008 * dt;
blob.vy += (Math.random() - 0.5) * 0.008 * dt;
const speed = Math.sqrt(blob.vx * blob.vx + blob.vy * blob.vy);
if (speed > MAX_SPEED) {
blob.vx = (blob.vx / speed) * MAX_SPEED;
blob.vy = (blob.vy / speed) * MAX_SPEED;
}
if (speed < MIN_SPEED) {
const angle = Math.atan2(blob.vy, blob.vx);
blob.vx = Math.cos(angle) * MIN_SPEED;
blob.vy = Math.sin(angle) * MIN_SPEED;
}
blob.x += blob.vx * dt;
blob.y += blob.vy * dt;
const pad = blob.baseRadius * 0.3;
if (blob.x < -pad) { blob.x = -pad; blob.vx = Math.abs(blob.vx) * 0.8; }
if (blob.x > this.width + pad) { blob.x = this.width + pad; blob.vx = -Math.abs(blob.vx) * 0.8; }
if (blob.y < -pad) { blob.y = -pad; blob.vy = Math.abs(blob.vy) * 0.8; }
if (blob.y > this.height + pad) { blob.y = this.height + pad; blob.vy = -Math.abs(blob.vy) * 0.8; }
// Mouse repulsion
const dx = blob.x - this.mouseX;
const dy = blob.y - this.mouseY;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist < MOUSE_REPEL_RADIUS && dist > 0) {
const force = (1 - dist / MOUSE_REPEL_RADIUS) * MOUSE_REPEL_FORCE * dt;
blob.vx += (dx / dist) * force;
blob.vy += (dy / dist) * force;
}
for (let c = 0; c < 3; c++) {
blob.color[c] += (blob.targetColor[c] - blob.color[c]) * COLOR_LERP_SPEED * dt;
}
}
// Remove blobs that have fully shrunk away (but not ones still waiting to stagger in)
for (let i = this.blobs.length - 1; i >= 0; i--) {
const b = this.blobs[i];
if (b.targetRadiusScale === 0 && b.radiusScale < 0.01 && b.staggerDelay < 0) {
this.blobs.splice(i, 1);
}
}
// Natural spawn/despawn cycle — keeps the scene alive
if (!this.exiting && this.elapsed >= this.nextCycleTime) {
// Pick a random visible blob to fade out (skip ones still staggering in)
const visible = [];
for (let i = 0; i < this.blobs.length; i++) {
if (this.blobs[i].radiusScale > 0.5 && this.blobs[i].staggerDelay < 0) {
visible.push(i);
}
}
if (visible.length > 0) {
const killIdx = visible[Math.floor(Math.random() * visible.length)];
this.blobs[killIdx].targetRadiusScale = 0;
}
// Spawn a fresh one at a random position
const blob = this.makeBlob(
Math.random() * this.width,
Math.random() * this.height
);
this.blobs.push(blob);
// Schedule next cycle
this.nextCycleTime = this.elapsed + CYCLE_MIN_MS + Math.random() * (CYCLE_MAX_MS - CYCLE_MIN_MS);
}
// Prune excess blobs (keep the initial set, drop oldest user-spawned ones)
const maxBlobs = this.getMaxBlobs();
if (this.blobs.length > maxBlobs) {
this.blobs.splice(BLOB_COUNT, this.blobs.length - maxBlobs);
}
}
render(
ctx: CanvasRenderingContext2D,
width: number,
height: number
): void {
if (!this.offCtx || !this.offCanvas || !this.shadowCtx || !this.shadowCanvas)
return;
// Snapshot blob positions/radii into typed arrays for fast pixel loop
this.syncBlobArrays();
const rw = this.offCanvas.width;
const rh = this.offCanvas.height;
// Render shadow layer
const shadowData = this.shadowCtx.createImageData(rw, rh);
this.renderField(shadowData, rw, rh, true);
this.shadowCtx.putImageData(shadowData, 0, 0);
// Render main layer
const imageData = this.offCtx.createImageData(rw, rh);
this.renderField(imageData, rw, rh, false);
this.offCtx.putImageData(imageData, 0, 0);
ctx.imageSmoothingEnabled = true;
ctx.imageSmoothingQuality = "medium";
ctx.globalAlpha = 0.2;
ctx.drawImage(this.shadowCanvas, 0, 4, width, height);
ctx.globalAlpha = 1;
ctx.drawImage(this.offCanvas, 0, 0, width, height);
}
private renderField(
imageData: ImageData,
rw: number,
rh: number,
isShadow: boolean
): void {
const data = imageData.data;
const threshold = isShadow ? FIELD_THRESHOLD * 0.75 : FIELD_THRESHOLD;
const bgR = this.bgRgb[0];
const bgG = this.bgRgb[1];
const bgB = this.bgRgb[2];
const scale = RESOLUTION_SCALE;
const n = this.activeBlobCount;
const bx = this.blobX;
const by = this.blobY;
const br = this.blobR;
const bcr = this.blobCR;
const bcg = this.blobCG;
const bcb = this.blobCB;
const threshLow = threshold - SMOOTHSTEP_RANGE;
for (let py = 0; py < rh; py++) {
const wy = py * scale;
for (let px = 0; px < rw; px++) {
const wx = px * scale;
let fieldSum = 0;
let weightedR = 0;
let weightedG = 0;
let weightedB = 0;
for (let i = 0; i < n; i++) {
const dx = wx - bx[i];
const dy = wy - by[i];
const distSq = dx * dx + dy * dy;
const ri = br[i];
const rSq = ri * ri;
// Raw metaball field
const raw = rSq / (distSq + rSq * 0.1);
// Cap per-blob contribution so color stays flat inside the blob
const contribution = raw > 2 ? 2 : raw;
fieldSum += contribution;
if (contribution > 0.01) {
weightedR += bcr[i] * contribution;
weightedG += bcg[i] * contribution;
weightedB += bcb[i] * contribution;
}
}
const idx = (py * rw + px) << 2;
if (fieldSum > threshLow) {
const alpha = smoothstep(threshLow, threshold, fieldSum);
if (isShadow) {
data[idx] = 0;
data[idx + 1] = 0;
data[idx + 2] = 0;
data[idx + 3] = (alpha * 150) | 0;
} else {
const invField = 1 / fieldSum;
const r = Math.min(255, (weightedR * invField) | 0);
const g = Math.min(255, (weightedG * invField) | 0);
const b = Math.min(255, (weightedB * invField) | 0);
data[idx] = bgR + (r - bgR) * alpha;
data[idx + 1] = bgG + (g - bgG) * alpha;
data[idx + 2] = bgB + (b - bgB) * alpha;
data[idx + 3] = 255;
}
} else {
if (isShadow) {
// data stays 0 (already zeroed by createImageData)
} else {
data[idx] = bgR;
data[idx + 1] = bgG;
data[idx + 2] = bgB;
data[idx + 3] = 255;
}
}
}
}
}
handleResize(width: number, height: number): void {
this.width = width;
this.height = height;
this.elapsed = 0;
this.exiting = false;
this.nextCycleTime = CYCLE_MIN_MS + Math.random() * (CYCLE_MAX_MS - CYCLE_MIN_MS);
this.initBlobs();
this.initOffscreenCanvas();
}
private sampleColorAt(x: number, y: number): [number, number, number] | null {
let closest: Blob | null = null;
let closestDist = Infinity;
for (const blob of this.blobs) {
const dx = blob.x - x;
const dy = blob.y - y;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist < blob.baseRadius * 1.5 && dist < closestDist) {
closestDist = dist;
closest = blob;
}
}
return closest ? ([...closest.color] as [number, number, number]) : null;
}
private spawnAt(x: number, y: number): void {
const { max } = this.getRadiusRange();
const blob = this.makeBlob(x, y, max * (0.8 + Math.random() * 0.4));
const nearby = this.sampleColorAt(x, y);
if (nearby) {
blob.color = nearby;
blob.targetColor = [...nearby];
}
this.blobs.push(blob);
}
handleMouseMove(x: number, y: number, _isDown: boolean): void {
this.mouseX = x;
this.mouseY = y;
}
handleMouseDown(x: number, y: number): void {
if (this.exiting) return;
this.spawnAt(x, y);
}
handleMouseUp(): void {}
handleMouseLeave(): void {
this.mouseX = -1000;
this.mouseY = -1000;
}
updatePalette(palette: [number, number, number][], bgColor: string): void {
this.palette = palette;
this.parseBgColor(bgColor);
for (let i = 0; i < this.blobs.length; i++) {
this.blobs[i].targetColor = [
...palette[i % palette.length],
] as [number, number, number];
}
}
}

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import type { AnimationEngine } from "@/lib/animations/types";
// --- Directions ---
type Dir = 0 | 1 | 2 | 3; // up, right, down, left
const DX = [0, 1, 0, -1];
const DY = [-1, 0, 1, 0];
// Box-drawing characters
const HORIZONTAL = "\u2501"; // ━
const VERTICAL = "\u2503"; // ┃
// Corner pieces: [oldDir]-[newDir]
// oldDir determines entry side (opposite), newDir determines exit side
// ┏ = RIGHT+BOTTOM, ┓ = LEFT+BOTTOM, ┗ = RIGHT+TOP, ┛ = LEFT+TOP
const CORNER: Record<string, string> = {
"0-1": "\u250F", // ┏ enter BOTTOM, exit RIGHT
"0-3": "\u2513", // ┓ enter BOTTOM, exit LEFT
"1-0": "\u251B", // ┛ enter LEFT, exit TOP
"1-2": "\u2513", // ┓ enter LEFT, exit BOTTOM
"2-1": "\u2517", // ┗ enter TOP, exit RIGHT
"2-3": "\u251B", // ┛ enter TOP, exit LEFT
"3-0": "\u2517", // ┗ enter RIGHT, exit TOP
"3-2": "\u250F", // ┏ enter RIGHT, exit BOTTOM
};
function getStraightChar(dir: Dir): string {
return dir === 0 || dir === 2 ? VERTICAL : HORIZONTAL;
}
function getCornerChar(fromDir: Dir, toDir: Dir): string {
return CORNER[`${fromDir}-${toDir}`] || HORIZONTAL;
}
// --- Grid Cell ---
interface PipeCell {
char: string;
pipeId: number;
placedAt: number;
color: [number, number, number];
baseColor: [number, number, number];
opacity: number;
elevation: number;
targetElevation: number;
fadeOut: boolean;
}
// --- Active Pipe ---
interface ActivePipe {
id: number;
x: number;
y: number;
dir: Dir;
color: [number, number, number];
spawnDelay: number;
}
// --- Constants ---
const CELL_SIZE_DESKTOP = 20;
const CELL_SIZE_MOBILE = 14;
const MAX_ACTIVE_PIPES = 4;
const GROW_INTERVAL = 80;
const TURN_CHANCE = 0.3;
const TARGET_FPS = 60;
const PIPE_LIFETIME = 12_000; // ms before a pipe's segments start fading
const FADE_IN_SPEED = 0.06;
const FADE_OUT_SPEED = 0.02;
const MOUSE_INFLUENCE_RADIUS = 150;
const ELEVATION_FACTOR = 6;
const ELEVATION_LERP_SPEED = 0.05;
const COLOR_SHIFT_AMOUNT = 30;
const SHADOW_OFFSET_RATIO = 1.1;
const BURST_PIPE_COUNT = 4;
// --- Helpers ---
function range(a: number, b: number): number {
return (b - a) * Math.random() + a;
}
// --- Engine ---
export class PipesEngine implements AnimationEngine {
id = "pipes";
name = "Pipes";
private grid: (PipeCell | null)[][] = [];
private cols = 0;
private rows = 0;
private activePipes: ActivePipe[] = [];
private palette: [number, number, number][] = [];
private width = 0;
private height = 0;
private cellSize = CELL_SIZE_DESKTOP;
private fontSize = CELL_SIZE_DESKTOP;
private font = `bold ${CELL_SIZE_DESKTOP}px monospace`;
private mouseX = -1000;
private mouseY = -1000;
private elapsed = 0;
private growTimer = 0;
private exiting = false;
private nextPipeId = 0;
private offsetX = 0;
private offsetY = 0;
init(
width: number,
height: number,
palette: [number, number, number][],
_bgColor: string
): void {
this.width = width;
this.height = height;
this.palette = palette;
this.elapsed = 0;
this.growTimer = 0;
this.exiting = false;
this.computeGrid();
this.spawnInitialPipes();
}
private computeGrid(): void {
this.cellSize = this.width <= 768 ? CELL_SIZE_MOBILE : CELL_SIZE_DESKTOP;
this.fontSize = this.cellSize;
this.font = `bold ${this.fontSize}px monospace`;
this.cols = Math.floor(this.width / this.cellSize);
this.rows = Math.floor(this.height / this.cellSize);
this.offsetX = Math.floor((this.width - this.cols * this.cellSize) / 2);
this.offsetY = Math.floor((this.height - this.rows * this.cellSize) / 2);
this.grid = Array.from({ length: this.cols }, () =>
Array.from({ length: this.rows }, () => null)
);
}
private randomColor(): [number, number, number] {
// Prefer bright variants (second half of palette) if available
const brightStart = Math.floor(this.palette.length / 2);
if (brightStart > 0 && this.palette.length > brightStart) {
return this.palette[brightStart + Math.floor(Math.random() * (this.palette.length - brightStart))];
}
return this.palette[Math.floor(Math.random() * this.palette.length)];
}
private spawnInitialPipes(): void {
this.activePipes = [];
for (let i = 0; i < MAX_ACTIVE_PIPES; i++) {
this.activePipes.push(this.makeEdgePipe(i * 400));
}
}
private makeEdgePipe(delay: number): ActivePipe {
const color = this.randomColor();
// Pick a random edge and inward-facing direction
const edge = Math.floor(Math.random() * 4) as Dir;
let x: number, y: number, dir: Dir;
switch (edge) {
case 0: // top edge, face down
x = Math.floor(Math.random() * this.cols);
y = 0;
dir = 2;
break;
case 1: // right edge, face left
x = this.cols - 1;
y = Math.floor(Math.random() * this.rows);
dir = 3;
break;
case 2: // bottom edge, face up
x = Math.floor(Math.random() * this.cols);
y = this.rows - 1;
dir = 0;
break;
default: // left edge, face right
x = 0;
y = Math.floor(Math.random() * this.rows);
dir = 1;
break;
}
return { id: this.nextPipeId++, x, y, dir, color: [...color], spawnDelay: delay };
}
private placeSegment(x: number, y: number, char: string, color: [number, number, number], pipeId: number): void {
if (x < 0 || x >= this.cols || y < 0 || y >= this.rows) return;
this.grid[x][y] = {
char,
pipeId,
placedAt: this.elapsed,
color: [...color],
baseColor: [...color],
opacity: 0,
elevation: 0,
targetElevation: 0,
fadeOut: false,
};
}
private isOccupied(x: number, y: number): boolean {
if (x < 0 || x >= this.cols || y < 0 || y >= this.rows) return true;
return this.grid[x][y] !== null;
}
private pickTurn(currentDir: Dir): Dir {
// Turn left or right relative to current direction
const leftDir = ((currentDir + 3) % 4) as Dir;
const rightDir = ((currentDir + 1) % 4) as Dir;
return Math.random() < 0.5 ? leftDir : rightDir;
}
private growPipe(pipe: ActivePipe): boolean {
// Decide direction
let newDir = pipe.dir;
let turned = false;
if (Math.random() < TURN_CHANCE) {
newDir = this.pickTurn(pipe.dir);
turned = true;
}
const nx = pipe.x + DX[newDir];
const ny = pipe.y + DY[newDir];
// Check if destination is valid
if (this.isOccupied(nx, ny)) {
// If we tried to turn, try going straight instead
if (turned) {
const sx = pipe.x + DX[pipe.dir];
const sy = pipe.y + DY[pipe.dir];
if (!this.isOccupied(sx, sy)) {
// Continue straight — place straight piece at destination
this.placeSegment(sx, sy, getStraightChar(pipe.dir), pipe.color, pipe.id);
pipe.x = sx;
pipe.y = sy;
return true;
}
}
return false; // dead end
}
if (turned) {
// Replace current head cell with corner piece (turn happens HERE)
const cell = this.grid[pipe.x]?.[pipe.y];
if (cell) {
cell.char = getCornerChar(pipe.dir, newDir);
}
}
// Place straight piece at destination
this.placeSegment(nx, ny, getStraightChar(newDir), pipe.color, pipe.id);
pipe.dir = newDir;
pipe.x = nx;
pipe.y = ny;
return true;
}
// --- Interface Methods ---
beginExit(): void {
if (this.exiting) return;
this.exiting = true;
for (let i = 0; i < this.cols; i++) {
for (let j = 0; j < this.rows; j++) {
const cell = this.grid[i][j];
if (cell) {
setTimeout(() => {
cell.fadeOut = true;
}, Math.random() * 3000);
}
}
}
}
isExitComplete(): boolean {
if (!this.exiting) return false;
for (let i = 0; i < this.cols; i++) {
for (let j = 0; j < this.rows; j++) {
const cell = this.grid[i][j];
if (cell && cell.opacity > 0.01) return false;
}
}
return true;
}
cleanup(): void {
this.grid = [];
this.activePipes = [];
}
update(deltaTime: number): void {
const dt = deltaTime / (1000 / TARGET_FPS);
this.elapsed += deltaTime;
// Grow pipes
if (!this.exiting) {
this.growTimer += deltaTime;
while (this.growTimer >= GROW_INTERVAL) {
this.growTimer -= GROW_INTERVAL;
for (let i = this.activePipes.length - 1; i >= 0; i--) {
const pipe = this.activePipes[i];
if (pipe.spawnDelay > 0) {
pipe.spawnDelay -= GROW_INTERVAL;
continue;
}
// Place starting segment if this is the first step
if (!this.isOccupied(pipe.x, pipe.y)) {
this.placeSegment(pipe.x, pipe.y, getStraightChar(pipe.dir), pipe.color, pipe.id);
continue;
}
if (!this.growPipe(pipe)) {
// Pipe is dead, replace it
this.activePipes[i] = this.makeEdgePipe(0);
}
}
}
}
// Update cells: fade in/out, mouse influence
const mouseX = this.mouseX;
const mouseY = this.mouseY;
for (let i = 0; i < this.cols; i++) {
for (let j = 0; j < this.rows; j++) {
const cell = this.grid[i][j];
if (!cell) continue;
// Age-based fade: old segments start dissolving
if (!cell.fadeOut && !this.exiting && this.elapsed - cell.placedAt > PIPE_LIFETIME) {
cell.fadeOut = true;
}
// Fade in/out
if (cell.fadeOut) {
cell.opacity -= FADE_OUT_SPEED * dt;
if (cell.opacity <= 0) {
cell.opacity = 0;
this.grid[i][j] = null; // free the cell for new pipes
continue;
}
} else if (cell.opacity < 1) {
cell.opacity = Math.min(1, cell.opacity + FADE_IN_SPEED * dt);
}
// Mouse influence
const cx = this.offsetX + i * this.cellSize + this.cellSize / 2;
const cy = this.offsetY + j * this.cellSize + this.cellSize / 2;
const dx = cx - mouseX;
const dy = cy - mouseY;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist < MOUSE_INFLUENCE_RADIUS && cell.opacity > 0.1) {
const inf = Math.cos((dist / MOUSE_INFLUENCE_RADIUS) * (Math.PI / 2));
cell.targetElevation = ELEVATION_FACTOR * inf * inf;
const shift = inf * COLOR_SHIFT_AMOUNT * 0.5;
cell.color = [
Math.min(255, Math.max(0, cell.baseColor[0] + shift)),
Math.min(255, Math.max(0, cell.baseColor[1] + shift)),
Math.min(255, Math.max(0, cell.baseColor[2] + shift)),
];
} else {
cell.targetElevation = 0;
cell.color[0] += (cell.baseColor[0] - cell.color[0]) * 0.1;
cell.color[1] += (cell.baseColor[1] - cell.color[1]) * 0.1;
cell.color[2] += (cell.baseColor[2] - cell.color[2]) * 0.1;
}
cell.elevation +=
(cell.targetElevation - cell.elevation) * ELEVATION_LERP_SPEED * dt;
}
}
}
render(
ctx: CanvasRenderingContext2D,
_width: number,
_height: number
): void {
ctx.font = this.font;
ctx.textBaseline = "top";
for (let i = 0; i < this.cols; i++) {
for (let j = 0; j < this.rows; j++) {
const cell = this.grid[i][j];
if (!cell || cell.opacity <= 0.01) continue;
const x = this.offsetX + i * this.cellSize;
const y = this.offsetY + j * this.cellSize - cell.elevation;
const [r, g, b] = cell.color;
// Shadow
if (cell.elevation > 0.5) {
const shadowAlpha = 0.2 * (cell.elevation / ELEVATION_FACTOR) * cell.opacity;
ctx.globalAlpha = shadowAlpha;
ctx.fillStyle = "rgb(0,0,0)";
ctx.fillText(cell.char, x, y + cell.elevation * SHADOW_OFFSET_RATIO);
}
// Main
ctx.globalAlpha = cell.opacity;
ctx.fillStyle = `rgb(${r},${g},${b})`;
ctx.fillText(cell.char, x, y);
// Highlight
if (cell.elevation > 0.5) {
const highlightAlpha = 0.1 * (cell.elevation / ELEVATION_FACTOR) * cell.opacity;
ctx.globalAlpha = highlightAlpha;
ctx.fillStyle = "rgb(255,255,255)";
ctx.fillText(cell.char, x, y);
}
}
}
ctx.globalAlpha = 1;
}
handleResize(width: number, height: number): void {
this.width = width;
this.height = height;
this.elapsed = 0;
this.growTimer = 0;
this.exiting = false;
this.computeGrid();
this.spawnInitialPipes();
}
handleMouseMove(x: number, y: number, _isDown: boolean): void {
this.mouseX = x;
this.mouseY = y;
}
handleMouseDown(x: number, y: number): void {
if (this.exiting) return;
// Convert to grid coords
const gx = Math.floor((x - this.offsetX) / this.cellSize);
const gy = Math.floor((y - this.offsetY) / this.cellSize);
// Spawn pipes in all 4 directions from click point
for (let d = 0; d < BURST_PIPE_COUNT; d++) {
const dir = d as Dir;
const color = this.randomColor();
this.activePipes.push({
id: this.nextPipeId++,
x: gx,
y: gy,
dir,
color: [...color],
spawnDelay: 0,
});
}
}
handleMouseUp(): void {}
handleMouseLeave(): void {
this.mouseX = -1000;
this.mouseY = -1000;
}
updatePalette(palette: [number, number, number][], _bgColor: string): void {
this.palette = palette;
// Assign by pipeId so all segments of the same pipe get the same color
for (let i = 0; i < this.cols; i++) {
for (let j = 0; j < this.rows; j++) {
const cell = this.grid[i][j];
if (cell) {
cell.baseColor = palette[cell.pipeId % palette.length];
}
}
}
}
}

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import type { AnimationEngine } from "@/lib/animations/types";
import { GameOfLifeEngine } from "@/components/background/engines/game-of-life";
import { LavaLampEngine } from "@/components/background/engines/lava-lamp";
import { ConfettiEngine } from "@/components/background/engines/confetti";
import { AsciiquariumEngine } from "@/components/background/engines/asciiquarium";
import { PipesEngine } from "@/components/background/engines/pipes";
type ChildId = "game-of-life" | "lava-lamp" | "confetti" | "asciiquarium" | "pipes";
const CHILD_IDS: ChildId[] = [
"game-of-life",
"lava-lamp",
"confetti",
"asciiquarium",
"pipes",
];
const PLAY_DURATION = 30_000;
const STATE_KEY = "shuffle-state";
interface StoredState {
childId: ChildId;
startedAt: number;
}
function createChild(id: ChildId): AnimationEngine {
switch (id) {
case "game-of-life":
return new GameOfLifeEngine();
case "lava-lamp":
return new LavaLampEngine();
case "confetti":
return new ConfettiEngine();
case "asciiquarium":
return new AsciiquariumEngine();
case "pipes":
return new PipesEngine();
}
}
function pickDifferent(current: ChildId | null): ChildId {
const others = current
? CHILD_IDS.filter((id) => id !== current)
: CHILD_IDS;
return others[Math.floor(Math.random() * others.length)];
}
function save(state: StoredState): void {
try {
localStorage.setItem(STATE_KEY, JSON.stringify(state));
} catch {}
}
function load(): StoredState | null {
try {
const raw = localStorage.getItem(STATE_KEY);
if (!raw) return null;
const state = JSON.parse(raw) as StoredState;
if (CHILD_IDS.includes(state.childId)) return state;
return null;
} catch {
return null;
}
}
export class ShuffleEngine implements AnimationEngine {
id = "shuffle";
name = "Shuffle";
private child: AnimationEngine | null = null;
private currentChildId: ChildId | null = null;
private startedAt = 0;
private phase: "playing" | "exiting" = "playing";
private width = 0;
private height = 0;
private palette: [number, number, number][] = [];
private bgColor = "";
init(
width: number,
height: number,
palette: [number, number, number][],
bgColor: string
): void {
this.width = width;
this.height = height;
this.palette = palette;
this.bgColor = bgColor;
const stored = load();
if (stored && Date.now() - stored.startedAt < PLAY_DURATION) {
// Animation still within its play window — continue it
// Covers: Astro nav, sidebar mount, layout switch, quick refresh
this.currentChildId = stored.childId;
} else {
// No recent state (first visit, hard refresh after timer expired) — game-of-life
this.currentChildId = "game-of-life";
}
this.startedAt = Date.now();
this.phase = "playing";
this.child = createChild(this.currentChildId);
this.child.init(this.width, this.height, this.palette, this.bgColor);
save({ childId: this.currentChildId, startedAt: this.startedAt });
}
private switchTo(childId: ChildId, startedAt: number): void {
if (this.child) this.child.cleanup();
this.currentChildId = childId;
this.startedAt = startedAt;
this.phase = "playing";
this.child = createChild(childId);
this.child.init(this.width, this.height, this.palette, this.bgColor);
}
private advance(): void {
// Check if another instance already advanced
const stored = load();
if (stored && stored.childId !== this.currentChildId) {
this.switchTo(stored.childId, stored.startedAt);
} else {
const next = pickDifferent(this.currentChildId);
const now = Date.now();
save({ childId: next, startedAt: now });
this.switchTo(next, now);
}
}
update(deltaTime: number): void {
if (!this.child) return;
// Sync: if another instance (sidebar, tab) switched, follow
const stored = load();
if (stored && stored.childId !== this.currentChildId) {
this.switchTo(stored.childId, stored.startedAt);
return;
}
this.child.update(deltaTime);
const elapsed = Date.now() - this.startedAt;
if (this.phase === "playing" && elapsed >= PLAY_DURATION) {
this.child.beginExit();
this.phase = "exiting";
}
if (this.phase === "exiting" && this.child.isExitComplete()) {
this.child.cleanup();
this.advance();
}
}
render(
ctx: CanvasRenderingContext2D,
width: number,
height: number
): void {
if (this.child) this.child.render(ctx, width, height);
}
handleResize(width: number, height: number): void {
this.width = width;
this.height = height;
if (this.child) this.child.handleResize(width, height);
}
handleMouseMove(x: number, y: number, isDown: boolean): void {
if (this.child) this.child.handleMouseMove(x, y, isDown);
}
handleMouseDown(x: number, y: number): void {
if (this.child) this.child.handleMouseDown(x, y);
}
handleMouseUp(): void {
if (this.child) this.child.handleMouseUp();
}
handleMouseLeave(): void {
if (this.child) this.child.handleMouseLeave();
}
updatePalette(palette: [number, number, number][], bgColor: string): void {
this.palette = palette;
this.bgColor = bgColor;
if (this.child) this.child.updatePalette(palette, bgColor);
}
beginExit(): void {
if (this.child) this.child.beginExit();
}
isExitComplete(): boolean {
return this.child ? this.child.isExitComplete() : true;
}
cleanup(): void {
if (this.child) {
this.child.cleanup();
this.child = null;
}
}
}

View File

@@ -0,0 +1,356 @@
import { useEffect, useRef } from "react";
import { GameOfLifeEngine } from "@/components/background/engines/game-of-life";
import { LavaLampEngine } from "@/components/background/engines/lava-lamp";
import { ConfettiEngine } from "@/components/background/engines/confetti";
import { AsciiquariumEngine } from "@/components/background/engines/asciiquarium";
import { PipesEngine } from "@/components/background/engines/pipes";
import { ShuffleEngine } from "@/components/background/engines/shuffle";
import { getStoredAnimationId } from "@/lib/animations/engine";
import type { AnimationEngine } from "@/lib/animations/types";
import type { AnimationId } from "@/lib/animations";
const SIDEBAR_WIDTH = 240;
const FALLBACK_PALETTE: [number, number, number][] = [
[204, 36, 29], [152, 151, 26], [215, 153, 33],
[69, 133, 136], [177, 98, 134], [104, 157, 106],
[251, 73, 52], [184, 187, 38], [250, 189, 47],
[131, 165, 152], [211, 134, 155], [142, 192, 124],
];
function createEngine(id: AnimationId): AnimationEngine {
switch (id) {
case "lava-lamp":
return new LavaLampEngine();
case "confetti":
return new ConfettiEngine();
case "asciiquarium":
return new AsciiquariumEngine();
case "pipes":
return new PipesEngine();
case "shuffle":
return new ShuffleEngine();
case "game-of-life":
default:
return new GameOfLifeEngine();
}
}
function readPaletteFromCSS(): [number, number, number][] {
try {
const style = getComputedStyle(document.documentElement);
const keys = [
"--color-red", "--color-green", "--color-yellow",
"--color-blue", "--color-purple", "--color-aqua",
"--color-red-bright", "--color-green-bright", "--color-yellow-bright",
"--color-blue-bright", "--color-purple-bright", "--color-aqua-bright",
];
const palette: [number, number, number][] = [];
for (const key of keys) {
const val = style.getPropertyValue(key).trim();
if (val) {
const parts = val.split(" ").map(Number);
if (parts.length === 3 && parts.every((n) => !isNaN(n))) {
palette.push([parts[0], parts[1], parts[2]]);
}
}
}
return palette.length > 0 ? palette : FALLBACK_PALETTE;
} catch {
return FALLBACK_PALETTE;
}
}
function readBgFromCSS(): string {
try {
const val = getComputedStyle(document.documentElement)
.getPropertyValue("--color-background")
.trim();
if (val) {
const [r, g, b] = val.split(" ");
return `rgb(${r}, ${g}, ${b})`;
}
} catch {}
return "rgb(0, 0, 0)";
}
interface BackgroundProps {
layout?: "index" | "sidebar" | "content";
position?: "left" | "right";
}
const Background: React.FC<BackgroundProps> = ({
layout = "index",
position = "left",
}) => {
const canvasRef = useRef<HTMLCanvasElement>(null);
const engineRef = useRef<AnimationEngine | null>(null);
const animationFrameRef = useRef<number>();
const lastUpdateTimeRef = useRef<number>(0);
const resizeTimeoutRef = useRef<NodeJS.Timeout>();
const dimensionsRef = useRef({ width: 0, height: 0 });
const setupCanvas = (
canvas: HTMLCanvasElement,
width: number,
height: number
) => {
const ctx = canvas.getContext("2d");
if (!ctx) return;
const dpr = window.devicePixelRatio || 1;
canvas.width = width * dpr;
canvas.height = height * dpr;
ctx.scale(dpr, dpr);
canvas.style.width = `${width}px`;
canvas.style.height = `${height}px`;
return ctx;
};
useEffect(() => {
const canvas = canvasRef.current;
if (!canvas) return;
const controller = new AbortController();
const signal = controller.signal;
const displayWidth =
layout === "index" ? window.innerWidth : SIDEBAR_WIDTH;
const displayHeight = window.innerHeight;
dimensionsRef.current = { width: displayWidth, height: displayHeight };
const ctx = setupCanvas(canvas, displayWidth, displayHeight);
if (!ctx) return;
const palette = readPaletteFromCSS();
const bgColor = readBgFromCSS();
// Initialize engine
if (!engineRef.current) {
const animId = getStoredAnimationId();
engineRef.current = createEngine(animId);
engineRef.current.init(displayWidth, displayHeight, palette, bgColor);
}
// Handle animation switching
const handleAnimationChanged = (e: Event) => {
const detail = (e as CustomEvent).detail;
if (!detail?.id) return;
if (engineRef.current) {
engineRef.current.cleanup();
}
const w = layout === "index" ? window.innerWidth : SIDEBAR_WIDTH;
const h = window.innerHeight;
engineRef.current = createEngine(detail.id);
engineRef.current.init(w, h, readPaletteFromCSS(), readBgFromCSS());
};
document.addEventListener("animation-changed", handleAnimationChanged, {
signal,
});
// Handle theme changes — only update if palette actually changed
let currentPalette = palette;
const handleThemeChanged = () => {
const newPalette = readPaletteFromCSS();
const newBg = readBgFromCSS();
const same =
newPalette.length === currentPalette.length &&
newPalette.every(
(c, i) =>
c[0] === currentPalette[i][0] &&
c[1] === currentPalette[i][1] &&
c[2] === currentPalette[i][2]
);
if (!same && engineRef.current) {
currentPalette = newPalette;
engineRef.current.updatePalette(newPalette, newBg);
}
};
document.addEventListener("theme-changed", handleThemeChanged, { signal });
// Handle resize
const handleResize = () => {
if (signal.aborted) return;
if (resizeTimeoutRef.current) {
clearTimeout(resizeTimeoutRef.current);
}
resizeTimeoutRef.current = setTimeout(() => {
if (signal.aborted) return;
const w = layout === "index" ? window.innerWidth : SIDEBAR_WIDTH;
const h = window.innerHeight;
const newCtx = setupCanvas(canvas, w, h);
if (!newCtx) return;
lastUpdateTimeRef.current = 0;
dimensionsRef.current = { width: w, height: h };
if (engineRef.current) {
engineRef.current.handleResize(w, h);
}
}, 250);
};
// Mouse events
const handleMouseDown = (e: MouseEvent) => {
if (!engineRef.current || !canvas) return;
// Don't spawn when clicking interactive elements
const target = e.target as HTMLElement;
if (target.closest("a, button, [role='button'], input, select, textarea, label, [onclick], [tabindex]")) return;
const rect = canvas.getBoundingClientRect();
const mouseX = e.clientX - rect.left;
const mouseY = e.clientY - rect.top;
if (
mouseX < 0 ||
mouseX > rect.width ||
mouseY < 0 ||
mouseY > rect.height
)
return;
e.preventDefault();
engineRef.current.handleMouseDown(mouseX, mouseY);
};
const handleMouseMove = (e: MouseEvent) => {
if (!engineRef.current || !canvas) return;
const rect = canvas.getBoundingClientRect();
const mouseX = e.clientX - rect.left;
const mouseY = e.clientY - rect.top;
engineRef.current.handleMouseMove(mouseX, mouseY, e.buttons === 1);
};
const handleMouseUp = () => {
if (engineRef.current) {
engineRef.current.handleMouseUp();
}
};
const handleMouseLeave = () => {
if (engineRef.current) {
engineRef.current.handleMouseLeave();
}
};
window.addEventListener("mousedown", handleMouseDown, { signal });
window.addEventListener("mousemove", handleMouseMove, { signal });
window.addEventListener("mouseup", handleMouseUp, { signal });
// Visibility change
const handleVisibilityChange = () => {
if (document.hidden) {
if (animationFrameRef.current) {
cancelAnimationFrame(animationFrameRef.current);
animationFrameRef.current = undefined;
}
} else {
if (!animationFrameRef.current) {
lastUpdateTimeRef.current = performance.now();
animationFrameRef.current = requestAnimationFrame(animate);
}
}
};
// Animation loop
const animate = (currentTime: number) => {
if (signal.aborted) return;
if (!lastUpdateTimeRef.current) {
lastUpdateTimeRef.current = currentTime;
}
const deltaTime = currentTime - lastUpdateTimeRef.current;
const clampedDeltaTime = Math.min(deltaTime, 100);
lastUpdateTimeRef.current = currentTime;
const engine = engineRef.current;
if (engine) {
engine.update(clampedDeltaTime);
// Clear canvas
const bg = readBgFromCSS();
ctx.fillStyle = bg;
ctx.fillRect(0, 0, canvas.width, canvas.height);
const { width: rw, height: rh } = dimensionsRef.current;
engine.render(ctx, rw, rh);
}
animationFrameRef.current = requestAnimationFrame(animate);
};
document.addEventListener("visibilitychange", handleVisibilityChange, {
signal,
});
window.addEventListener("resize", handleResize, { signal });
animate(performance.now());
return () => {
controller.abort();
if (animationFrameRef.current) {
cancelAnimationFrame(animationFrameRef.current);
}
if (resizeTimeoutRef.current) {
clearTimeout(resizeTimeoutRef.current);
}
};
}, [layout]);
const isIndex = layout === "index";
const isSidebar = !isIndex;
const getContainerStyle = (): React.CSSProperties => {
if (isIndex) return {};
// Fade the inner edge so blobs don't hard-cut at the content boundary
return {
maskImage:
position === "left"
? "linear-gradient(to right, black 60%, transparent 100%)"
: "linear-gradient(to left, black 60%, transparent 100%)",
WebkitMaskImage:
position === "left"
? "linear-gradient(to right, black 60%, transparent 100%)"
: "linear-gradient(to left, black 60%, transparent 100%)",
};
};
const getContainerClasses = () => {
if (isIndex) {
return "fixed inset-0 -z-10";
}
const baseClasses = "fixed top-0 bottom-0 hidden lg:block -z-10";
return position === "left"
? `${baseClasses} left-0`
: `${baseClasses} right-0`;
};
return (
<div className={getContainerClasses()} style={getContainerStyle()}>
<canvas
ref={canvasRef}
className="w-full h-full bg-background"
style={{ cursor: "default" }}
/>
<div className="absolute inset-0 bg-background/30 backdrop-blur-sm pointer-events-none" />
<div className="crt-scanlines absolute inset-0 pointer-events-none" />
<div className="crt-bloom absolute inset-0 pointer-events-none" />
</div>
);
};
export default Background;

View File

@@ -1,4 +1,3 @@
import React from "react";
import { RssIcon, TagIcon, TrendingUpIcon } from "lucide-react";
import { AnimateIn } from "@/components/animate-in";

View File

@@ -1,4 +1,3 @@
import React from "react";
import { AnimateIn } from "@/components/animate-in";
type BlogPost = {

View File

@@ -1,4 +1,3 @@
import React from "react";
import { Links } from "@/components/footer/links";
export default function Footer({ fixed = false }) {

View File

@@ -8,7 +8,7 @@ interface FooterLink {
export const Links: FooterLink[] = [
{ id: 0, href: "mailto:contact@timmypidashev.dev", label: "Contact", color: "text-green" },
{ id: 1, href: "https://github.com/timmypidashev", label: "Github", color: "text-yellow" },
{ id: 3, href: "https://www.linkedin.com/in/timothy-pidashev-4353812b8", label: "Linkedin", color: "text-blue" },
{ id: 3, href: "https://www.linkedin.com/in/timothy-pidashev-4353812b8", label: "LinkedIn", color: "text-blue" },
{ id: 4, href: "https://github.com/timmypidashev/web", label: "Source", color: "text-purple" },
{ id: 5, href: "https://github.com/timmypidashev/web/releases", label: "v2", color: "text-aqua" }
{ id: 5, href: "https://github.com/timmypidashev/web/releases", label: "v3", color: "text-aqua" }
];

View File

@@ -1,7 +1,7 @@
import React, { useState, useEffect } from "react";
import { useState, useEffect, useRef } from "react";
import { Links } from "@/components/header/links";
export default function Header() {
export default function Header({ transparent = false }: { transparent?: boolean }) {
const [isClient, setIsClient] = useState(false);
const [visible, setVisible] = useState(true);
const [lastScrollY, setLastScrollY] = useState(0);
@@ -34,7 +34,7 @@ export default function Header() {
return linkHref !== "/" && path.startsWith(linkHref);
};
const isIndexPage = checkIsActive("/");
const isIndexPage = transparent || checkIsActive("/");
const headerLinks = Links.map((link) => {
const isActive = checkIsActive(link.href);
@@ -44,7 +44,7 @@ export default function Header() {
className={`
relative inline-block
${link.color}
${!isIndexPage ? 'bg-black' : ''}
${!isIndexPage ? 'bg-background' : ''}
`}
>
<a
@@ -94,13 +94,13 @@ export default function Header() {
<div className={`
w-full flex flex-row items-center justify-center
pointer-events-none
${!isIndexPage ? 'bg-black md:bg-transparent' : ''}
${!isIndexPage ? 'bg-background md:bg-transparent' : ''}
`}>
<div className={`
w-full md:w-auto flex flex-row pt-1 px-2 text-lg lg:text-3xl md:text-2xl
items-center justify-between md:justify-center space-x-2 md:space-x-10 lg:space-x-20 md:py-2
pointer-events-none [&_a]:pointer-events-auto
${!isIndexPage ? 'bg-black md:px-20' : ''}
${!isIndexPage ? 'bg-background md:px-20' : ''}
`}>
{headerLinks}
</div>

View File

@@ -1,4 +1,3 @@
import React from "react";
import Typewriter from "typewriter-effect";
const html = (strings: TemplateStringsArray, ...values: any[]) => {

View File

@@ -1,4 +1,3 @@
import React from "react";
import type { CollectionEntry } from "astro:content";
import { AnimateIn } from "@/components/animate-in";

View File

@@ -0,0 +1,98 @@
import { useRef, useState, useEffect } from "react";
import { getStoredThemeId, getNextTheme, applyTheme } from "@/lib/themes/engine";
const FADE_DURATION = 300;
const LABELS: Record<string, string> = {
darkbox: "classic",
"darkbox-retro": "retro",
"darkbox-dim": "dim",
};
export default function ThemeSwitcher() {
const [hovering, setHovering] = useState(false);
const [currentLabel, setCurrentLabel] = useState("");
const maskRef = useRef<HTMLDivElement>(null);
const animatingRef = useRef(false);
const committedRef = useRef("");
useEffect(() => {
committedRef.current = getStoredThemeId();
setCurrentLabel(LABELS[committedRef.current] ?? "");
const handleSwap = () => {
const id = getStoredThemeId();
applyTheme(id);
committedRef.current = id;
setCurrentLabel(LABELS[id] ?? "");
};
document.addEventListener("astro:after-swap", handleSwap);
return () => {
document.removeEventListener("astro:after-swap", handleSwap);
};
}, []);
const handleClick = () => {
if (animatingRef.current) return;
animatingRef.current = true;
const mask = maskRef.current;
if (!mask) return;
const v = getComputedStyle(document.documentElement)
.getPropertyValue("--color-background")
.trim();
const [r, g, b] = v.split(" ").map(Number);
mask.style.backgroundColor = `rgb(${r},${g},${b})`;
mask.style.opacity = "1";
mask.style.visibility = "visible";
mask.style.transition = "none";
const next = getNextTheme(committedRef.current);
applyTheme(next.id);
committedRef.current = next.id;
setCurrentLabel(LABELS[next.id] ?? "");
mask.offsetHeight;
mask.style.transition = `opacity ${FADE_DURATION}ms ease-out`;
mask.style.opacity = "0";
const onEnd = () => {
mask.removeEventListener("transitionend", onEnd);
mask.style.visibility = "hidden";
mask.style.transition = "none";
animatingRef.current = false;
};
mask.addEventListener("transitionend", onEnd);
};
return (
<>
<div
className="fixed bottom-4 right-4 z-[101] pointer-events-auto hidden md:block"
onMouseEnter={() => setHovering(true)}
onMouseLeave={() => setHovering(false)}
onClick={handleClick}
style={{ cursor: "pointer" }}
>
<span
className="text-foreground font-bold text-sm select-none transition-opacity duration-200"
style={{ opacity: hovering ? 0.8 : 0.15 }}
>
{currentLabel}
</span>
</div>
<div
ref={maskRef}
className="fixed inset-0 z-[100] pointer-events-none"
style={{ visibility: "hidden", opacity: 0 }}
/>
</>
);
}

View File

View File

@@ -5,6 +5,10 @@ import { ClientRouter } from "astro:transitions";
import Header from "@/components/header";
import Footer from "@/components/footer";
import Background from "@/components/background";
import ThemeSwitcher from "@/components/theme-switcher";
import AnimationSwitcher from "@/components/animation-switcher";
import { THEME_LOADER_SCRIPT, THEME_NAV_SCRIPT } from "@/lib/themes/loader";
import { ANIMATION_LOADER_SCRIPT, ANIMATION_NAV_SCRIPT } from "@/lib/animations/loader";
export interface Props {
title: string;
@@ -20,17 +24,13 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
<title>{title}</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<!-- OpenGraph -->
<meta property="og:image" content={ogImage} />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<!-- Twitter -->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image" content={ogImage} />
<meta name="twitter:description" content={description} />
<!-- Basic meta description for search engines -->
<meta name="description" content={description} />
<!-- Also used in OpenGraph for social media sharing -->
<meta property="og:description" content={description} />
<link rel="icon" type="image/jpeg" href="/me.jpeg" />
<ClientRouter
@@ -41,7 +41,6 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
::view-transition-new(:root) {
animation: none;
}
::view-transition-old(:root) {
animation: 90ms ease-out both fade-out;
}
@@ -50,6 +49,8 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
to { opacity: 0; }
}
</style>
<script is:inline set:html={THEME_LOADER_SCRIPT} />
<script is:inline set:html={ANIMATION_LOADER_SCRIPT} />
</head>
<body class="bg-background text-foreground min-h-screen flex flex-col">
<Header client:load />
@@ -65,10 +66,9 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
<div class="mt-auto">
<Footer client:load transition:persist />
</div>
<script>
document.addEventListener("astro:after-navigation", () => {
window.scrollTo(0, 0);
});
</script>
<ThemeSwitcher client:only="react" transition:persist />
<AnimationSwitcher client:only="react" transition:persist />
<script is:inline set:html={`window.scrollTo(0,0);` + THEME_NAV_SCRIPT} />
<script is:inline set:html={ANIMATION_NAV_SCRIPT} />
</body>
</html>

View File

@@ -1,6 +1,4 @@
---
const { content } = Astro.props;
import "@/style/globals.css";
import { ClientRouter } from "astro:transitions";
@@ -8,6 +6,10 @@ import { ClientRouter } from "astro:transitions";
import Header from "@/components/header";
import Footer from "@/components/footer";
import Background from "@/components/background";
import ThemeSwitcher from "@/components/theme-switcher";
import AnimationSwitcher from "@/components/animation-switcher";
import { THEME_LOADER_SCRIPT, THEME_NAV_SCRIPT } from "@/lib/themes/loader";
import { ANIMATION_LOADER_SCRIPT, ANIMATION_NAV_SCRIPT } from "@/lib/animations/loader";
export interface Props {
title: string;
@@ -23,28 +25,30 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
<title>{title}</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<!-- OpenGraph -->
<meta property="og:image" content={ogImage} />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<!-- Twitter -->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image" content={ogImage} />
<meta name="twitter:description" content={description} />
<!-- Basic meta description for search engines -->
<meta name="description" content={description} />
<!-- Also used in OpenGraph for social media sharing -->
<meta property="og:description" content={description} />
<link rel="icon" type="image/jpeg" href="/me.jpeg" />
<link rel="sitemap" href="/sitemap-index.xml" />
<ClientRouter />
<script is:inline set:html={THEME_LOADER_SCRIPT} />
<script is:inline set:html={ANIMATION_LOADER_SCRIPT} />
</head>
<body class="bg-background text-foreground">
<Header client:load />
<Header client:load transparent />
<main transition:animate="fade">
<Background layout="index" client:only="react" transition:persist />
<slot />
</main>
<Footer client:load transition:persist fixed=true />
<ThemeSwitcher client:only="react" transition:persist />
<AnimationSwitcher client:only="react" transition:persist />
<script is:inline set:html={THEME_NAV_SCRIPT} />
<script is:inline set:html={ANIMATION_NAV_SCRIPT} />
</body>
</html>

View File

@@ -5,6 +5,10 @@ import { ClientRouter } from "astro:transitions";
import Header from "@/components/header";
import Footer from "@/components/footer";
import Background from "@/components/background";
import ThemeSwitcher from "@/components/theme-switcher";
import AnimationSwitcher from "@/components/animation-switcher";
import { THEME_LOADER_SCRIPT, THEME_NAV_SCRIPT } from "@/lib/themes/loader";
import { ANIMATION_LOADER_SCRIPT, ANIMATION_NAV_SCRIPT } from "@/lib/animations/loader";
export interface Props {
title: string;
@@ -20,17 +24,13 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
<title>{title}</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<!-- OpenGraph -->
<meta property="og:image" content={ogImage} />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<!-- Twitter -->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image" content={ogImage} />
<meta name="twitter:description" content={description} />
<!-- Basic meta description for search engines -->
<meta name="description" content={description} />
<!-- Also used in OpenGraph for social media sharing -->
<meta property="og:description" content={description} />
<link rel="icon" type="image/jpeg" href="/me.jpeg" />
<ClientRouter
@@ -41,7 +41,6 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
::view-transition-new(:root) {
animation: none;
}
::view-transition-old(:root) {
animation: 90ms ease-out both fade-out;
}
@@ -50,6 +49,8 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
to { opacity: 0; }
}
</style>
<script is:inline set:html={THEME_LOADER_SCRIPT} />
<script is:inline set:html={ANIMATION_LOADER_SCRIPT} />
</head>
<body class="bg-background text-foreground min-h-screen flex flex-col">
<main class="flex-1 flex flex-col">
@@ -61,10 +62,9 @@ const ogImage = "https://timmypidashev.dev/og-image.jpg";
<Background layout="content" position="left" client:only="react" transition:persist />
</div>
</main>
<script>
document.addEventListener("astro:after-navigation", () => {
window.scrollTo(0, 0);
});
</script>
<ThemeSwitcher client:only="react" transition:persist />
<AnimationSwitcher client:only="react" transition:persist />
<script is:inline set:html={`window.scrollTo(0,0);` + THEME_NAV_SCRIPT} />
<script is:inline set:html={ANIMATION_NAV_SCRIPT} />
</body>
</html>

View File

@@ -0,0 +1,20 @@
import { ANIMATION_IDS, DEFAULT_ANIMATION_ID } from "@/lib/animations";
import type { AnimationId } from "@/lib/animations";
export function getStoredAnimationId(): AnimationId {
if (typeof window === "undefined") return DEFAULT_ANIMATION_ID;
const stored = localStorage.getItem("animation");
if (stored && (ANIMATION_IDS as readonly string[]).includes(stored)) {
return stored as AnimationId;
}
return DEFAULT_ANIMATION_ID;
}
export function saveAnimation(id: AnimationId): void {
localStorage.setItem("animation", id);
}
export function getNextAnimation(currentId: AnimationId): AnimationId {
const idx = ANIMATION_IDS.indexOf(currentId);
return ANIMATION_IDS[(idx + 1) % ANIMATION_IDS.length];
}

View File

@@ -0,0 +1,12 @@
export const ANIMATION_IDS = ["shuffle", "game-of-life", "lava-lamp", "confetti", "asciiquarium", "pipes"] as const;
export type AnimationId = (typeof ANIMATION_IDS)[number];
export const DEFAULT_ANIMATION_ID: AnimationId = "shuffle";
export const ANIMATION_LABELS: Record<AnimationId, string> = {
"shuffle": "shuffle",
"game-of-life": "life",
"lava-lamp": "lava",
"confetti": "confetti",
"asciiquarium": "aquarium",
"pipes": "pipes",
};

View File

@@ -0,0 +1,7 @@
import { ANIMATION_IDS, DEFAULT_ANIMATION_ID } from "@/lib/animations";
const VALID_IDS = JSON.stringify(ANIMATION_IDS);
export const ANIMATION_LOADER_SCRIPT = `(function(){var id=localStorage.getItem("animation");if(id&&${VALID_IDS}.indexOf(id)!==-1)document.documentElement.dataset.animation=id;else document.documentElement.dataset.animation="${DEFAULT_ANIMATION_ID}";})();`;
export const ANIMATION_NAV_SCRIPT = `document.addEventListener("astro:after-navigation",function(){var id=localStorage.getItem("animation");if(id&&${VALID_IDS}.indexOf(id)!==-1)document.documentElement.dataset.animation=id;else document.documentElement.dataset.animation="${DEFAULT_ANIMATION_ID}";});`;

View File

@@ -0,0 +1,37 @@
export interface AnimationEngine {
id: string;
name: string;
init(
width: number,
height: number,
palette: [number, number, number][],
bgColor: string
): void;
update(deltaTime: number): void;
render(
ctx: CanvasRenderingContext2D,
width: number,
height: number
): void;
handleResize(width: number, height: number): void;
handleMouseMove(x: number, y: number, isDown: boolean): void;
handleMouseDown(x: number, y: number): void;
handleMouseUp(): void;
handleMouseLeave(): void;
updatePalette(palette: [number, number, number][], bgColor: string): void;
beginExit(): void;
isExitComplete(): boolean;
cleanup(): void;
}

61
src/lib/themes/engine.ts Normal file
View File

@@ -0,0 +1,61 @@
import { THEMES, DEFAULT_THEME_ID } from "@/lib/themes";
import { CSS_PROPS } from "@/lib/themes/props";
import type { Theme } from "@/lib/themes/types";
export function getStoredThemeId(): string {
if (typeof window === "undefined") return DEFAULT_THEME_ID;
return localStorage.getItem("theme") || DEFAULT_THEME_ID;
}
export function saveTheme(id: string): void {
localStorage.setItem("theme", id);
}
export function getNextTheme(currentId: string): Theme {
const list = Object.values(THEMES);
const idx = list.findIndex((t) => t.id === currentId);
return list[(idx + 1) % list.length];
}
/** Sets CSS vars and notifies canvas, but does NOT persist to localStorage. */
export function previewTheme(id: string): void {
const theme = THEMES[id];
if (!theme) return;
const root = document.documentElement;
for (const [key, prop] of CSS_PROPS) {
root.style.setProperty(prop, theme.colors[key]);
}
document.dispatchEvent(new CustomEvent("theme-changed", { detail: { id } }));
}
export function applyTheme(id: string): void {
const theme = THEMES[id];
if (!theme) return;
// Set CSS vars on :root for immediate visual update
const root = document.documentElement;
for (const [key, prop] of CSS_PROPS) {
root.style.setProperty(prop, theme.colors[key]);
}
// Update <style id="theme-vars"> so Astro view transitions don't revert
let el = document.getElementById("theme-vars") as HTMLStyleElement | null;
if (!el) {
el = document.createElement("style");
el.id = "theme-vars";
document.head.appendChild(el);
}
let css = ":root{";
for (const [key, prop] of CSS_PROPS) {
css += `${prop}:${theme.colors[key]};`;
}
css += "}";
el.textContent = css;
saveTheme(id);
document.dispatchEvent(new CustomEvent("theme-changed", { detail: { id } }));
}

58
src/lib/themes/index.ts Normal file
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@@ -0,0 +1,58 @@
import type { Theme } from "./types";
export const DEFAULT_THEME_ID = "darkbox-retro";
function theme(
id: string,
name: string,
type: "dark" | "light",
colors: Theme["colors"],
palette: [number, number, number][]
): Theme {
return { id, name, type, colors, canvasPalette: palette };
}
// Three darkbox variants from darkbox.nvim
// Classic (vivid) → Retro (muted) → Dim (deep)
// Each variant's "bright" is the next level up's base.
export const THEMES: Record<string, Theme> = {
darkbox: theme("darkbox", "Darkbox Classic", "dark", {
background: "0 0 0",
foreground: "235 219 178",
red: "251 73 52", redBright: "255 110 85",
orange: "254 128 25", orangeBright: "255 165 65",
green: "184 187 38", greenBright: "210 215 70",
yellow: "250 189 47", yellowBright: "255 215 85",
blue: "131 165 152", blueBright: "165 195 180",
purple: "211 134 155", purpleBright: "235 165 180",
aqua: "142 192 124", aquaBright: "175 220 160",
surface: "60 56 54",
}, [[251,73,52],[184,187,38],[250,189,47],[131,165,152],[211,134,155],[142,192,124]]),
"darkbox-retro": theme("darkbox-retro", "Darkbox Retro", "dark", {
background: "0 0 0",
foreground: "189 174 147",
red: "204 36 29", redBright: "251 73 52",
orange: "214 93 14", orangeBright: "254 128 25",
green: "152 151 26", greenBright: "184 187 38",
yellow: "215 153 33", yellowBright: "250 189 47",
blue: "69 133 136", blueBright: "131 165 152",
purple: "177 98 134", purpleBright: "211 134 155",
aqua: "104 157 106", aquaBright: "142 192 124",
surface: "60 56 54",
}, [[204,36,29],[152,151,26],[215,153,33],[69,133,136],[177,98,134],[104,157,106]]),
"darkbox-dim": theme("darkbox-dim", "Darkbox Dim", "dark", {
background: "0 0 0",
foreground: "168 153 132",
red: "157 0 6", redBright: "204 36 29",
orange: "175 58 3", orangeBright: "214 93 14",
green: "121 116 14", greenBright: "152 151 26",
yellow: "181 118 20", yellowBright: "215 153 33",
blue: "7 102 120", blueBright: "69 133 136",
purple: "143 63 113", purpleBright: "177 98 134",
aqua: "66 123 88", aquaBright: "104 157 106",
surface: "60 56 54",
}, [[157,0,6],[121,116,14],[181,118,20],[7,102,120],[143,63,113],[66,123,88]]),
};

25
src/lib/themes/loader.ts Normal file
View File

@@ -0,0 +1,25 @@
/**
* Generates the inline <script> content for theme loading.
* Called at build time in Astro frontmatter.
* The script reads "theme" from localStorage, looks up colors, injects a <style> tag.
*/
import { THEMES } from "@/lib/themes";
import { CSS_PROPS } from "@/lib/themes/props";
// Pre-build a { prop: value } map for each theme at build time
const themeVars: Record<string, Record<string, string>> = {};
for (const [id, theme] of Object.entries(THEMES)) {
const vars: Record<string, string> = {};
for (const [key, prop] of CSS_PROPS) {
vars[prop] = theme.colors[key];
}
themeVars[id] = vars;
}
// Sets inline styles on <html> — highest specificity, beats any stylesheet
const APPLY = `var v=t[id];if(!v)return;var s=document.documentElement.style;for(var k in v)s.setProperty(k,v[k])`;
const LOOKUP = `var id=localStorage.getItem("theme");if(!id)return;var t=${JSON.stringify(themeVars)};`;
export const THEME_LOADER_SCRIPT = `(function(){${LOOKUP}${APPLY}})();`;
export const THEME_NAV_SCRIPT = `document.addEventListener("astro:after-navigation",function(){${LOOKUP}${APPLY}});`;

21
src/lib/themes/props.ts Normal file
View File

@@ -0,0 +1,21 @@
import type { ThemeColors } from "@/lib/themes/types";
export const CSS_PROPS: [keyof ThemeColors, string][] = [
["background", "--color-background"],
["foreground", "--color-foreground"],
["red", "--color-red"],
["redBright", "--color-red-bright"],
["orange", "--color-orange"],
["orangeBright", "--color-orange-bright"],
["green", "--color-green"],
["greenBright", "--color-green-bright"],
["yellow", "--color-yellow"],
["yellowBright", "--color-yellow-bright"],
["blue", "--color-blue"],
["blueBright", "--color-blue-bright"],
["purple", "--color-purple"],
["purpleBright", "--color-purple-bright"],
["aqua", "--color-aqua"],
["aquaBright", "--color-aqua-bright"],
["surface", "--color-surface"],
];

27
src/lib/themes/types.ts Normal file
View File

@@ -0,0 +1,27 @@
export interface ThemeColors {
background: string;
foreground: string;
red: string;
redBright: string;
orange: string;
orangeBright: string;
green: string;
greenBright: string;
yellow: string;
yellowBright: string;
blue: string;
blueBright: string;
purple: string;
purpleBright: string;
aqua: string;
aquaBright: string;
surface: string;
}
export interface Theme {
id: string;
name: string;
type: "dark" | "light";
colors: ThemeColors;
canvasPalette: [number, number, number][];
}

View File

@@ -4,7 +4,7 @@ import GlitchText from "@/components/404/glitched-text";
const title = "404 Not Found";
---
<IndexLayout content={{ title: "404 | Timothy Pidashev" }}>
<IndexLayout title="404 | Timothy Pidashev" description="Page not found">
<main class="min-h-screen flex flex-col items-center justify-center p-4 text-center">
<GlitchText client:only />
<p class="text-xl text-orange mb-8">Whoops! This page doesn't exist :(</p>

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